| 1 |
Male inflorescences branched, receptacle absent; bracts alternate, not connate into an involucre. |
|
(2) |
| + |
Male inflorescences simple, receptacle conspicuous or obscure; bracts connate into an involucre, rarely absent. |
|
(12) |
| |
|
|
|
| 2 (1) |
Leaf blade without cystoliths. |
|
1 E. brevipedunculatum |
| + |
Leaf blade with cystoliths. |
|
(3) |
| |
|
|
|
| 3 (2) |
Shrubs or subshrubs. |
|
(4) |
| + |
Herbs. |
|
(5) |
| |
|
|
|
| 4 (3) |
Stems densely hirtellous. |
|
4 E. hirtellum |
| + |
Stems glabrous. |
|
8 E. obtusidentatum |
| |
|
|
|
| 5 (3) |
Leaf blade with major lateral veins asymmetric, one inserted above base. |
|
(6) |
| + |
Leaf blade pinnately veined. |
|
(7) |
| |
|
|
|
| 6 (5) |
Plants dioecious, glabrous. |
|
2 E. laxicymosum |
| + |
Plants monoecious, stems hirtellous or glabrescent. |
|
3 E. hirtellipedunculatum |
| |
|
|
|
| 7 (5) |
Stems winged or sharply longitudinally angled. |
|
10 E. angulosum |
| + |
Stems rounded or bluntly longitudinally angled. |
|
(8) |
| |
|
|
|
| 8 (7) |
Leaf blade margin denticulate, denticulations ca. 0.5 mm. |
|
6 E. microdontum |
| + |
Leaf blade margin crenate, serrate, or dentate, if denticulate then denticulations more than 1 mm long. |
|
(9) |
| |
|
|
|
| 9 (8) |
Male inflorescences sessile. |
|
5 E. polystachyoides |
| + |
Male inflorescences pedunculate. |
|
(10) |
| |
|
|
|
| 10 (9) |
Leaf blade margin densely serrate; male inflorescences 4-6 mm in diam. |
|
9 E. prunifolium |
| + |
Leaf blade margin dentate or denticulate; male inflorescences 5-15 mm in diam. |
|
(11) |
| |
|
|
|
| 11 (10) |
Female inflorescences ca. 2 mm in diam., sessile. |
|
7 E. subtrichotomum |
| + |
Female inflorescences 3-9 mm in diam., pedunculate. |
|
11 E. oblongifolium |
| |
|
|
|
| 12 (1) |
Leaf blade margin entire or undulate. |
|
(13) |
| + |
Leaf blade margin crenate, denticulate, dentate, or serrate. |
|
(19) |
| |
|
|
|
| 13 (12) |
Plants with nanophylls. |
|
47 E. salvinioides |
| + |
Plants without nanophyll. |
|
(14) |
| |
|
|
|
| 14 (13) |
Leaf blade pinnately veined. |
|
141 E. alnifolium |
| + |
Leaf blade with major lateral veins either both basal or asymmetric, one inserted above base. |
|
(15) |
| |
|
|
|
| 15 (14) |
Stems simple. |
|
(16) |
| + |
Stems branched. |
|
(17) |
| |
|
|
|
| 16 (15) |
Leaf blade oblanceolate, with major lateral veins asymmetric, one inserted above base. |
|
46 E. attenuatum |
| + |
Leaf blade obliquely elliptic, with both major lateral veins inserted at base. |
|
132 E. petelotii |
| |
|
|
|
| 17 (15) |
Stipules narrowly lanceolate, 6-10 × 1.5-2 mm. |
|
23 E. integrifolium |
| + |
Stipules subulate or narrowly triangular, 0.6-6 × 0.2-0.5 mm. |
|
(18) |
| |
|
|
|
| 18 (17) |
Leaf blade 1.1-3 × 0.4-0.9 cm. |
|
32 E. glochidioides |
| + |
Leaf blade 6.5-16.5 × 2-4.5 cm. |
|
92 E. litseifolium |
| |
|
|
|
| 19 (12) |
Young male receptacles pyriform, bursting open at anthesis. |
|
(20) |
| + |
Male receptacles discoid or very small and obscure. |
|
(21) |
| |
|
|
|
| 20 (19) |
Stipules linear or lanceolate-linear, 7-10 × 2-3 mm. |
|
145 E. ficoides |
| + |
Stipules subulate, 1.5-2.5 × 0.1-0.2 mm. |
|
146 E. brachyodontum |
| |
|
|
|
| 21 (19) |
Subshrubs. |
|
(22) |
| + |
Herbs. |
|
(40) |
| |
|
|
|
| 22 (21) |
Stems simple. |
|
62 E. crenatum |
| + |
Stems branched. |
|
(23) |
| |
|
|
|
| 23 (22) |
Leaf blade pinnately veined. |
|
25 E. tenuicaudatoides |
| + |
Leaf blade with both major lateral veins inserted at base, with major lateral veins either both inserted above base or asymmetric, one inserted at base, the other above. |
|
(24) |
| |
|
|
|
| 24 (23) |
Leaf blade base auriculate on broader outer half. |
|
(25) |
| + |
Leaf blade base cuneate, obtuse or rounded on broader outer half. |
|
(27) |
| |
|
|
|
| 25 (24) |
Stems furfuraceous. |
|
58 E. baiseense |
| + |
Stems not furfuraceous. |
|
(26) |
| |
|
|
|
| 26 (25) |
Leaf blade 14-25 × 6-10 cm. |
|
104 E. platyphyllum |
| + |
Leaf blade 9-12.5 × 2.5-3.5 cm. |
|
112 E. luxiense |
| |
|
|
|
| 27 (24) |
Leaf blade without cystoliths, rarely with cystoliths only along nerves. |
|
(28) |
| + |
Leaf blade with dense cystoliths. |
|
(32) |
| |
|
|
|
| 28 (27) |
Stipules subulate, 0.1-0.3 mm wide. |
|
(29) |
| + |
Stipules narrowly triangular or lanceolate, 0.8-1.2 mm wide. |
|
(30) |
| |
|
|
|
| 29 (28) |
Leaf blade cuspidate or acuminate at apex, with major lateral veins either both inserted at base or asymmetric, one inserted at base, the other above. |
|
13 E. acuminatum |
| + |
Leaf blade caudate or caudate-acuminate at apex, with both major lateral veins inserted at base. |
|
15 E. beibengense |
| |
|
|
|
| 30 (28) |
Male receptacle absent or very small. |
|
12 E. laevissimum |
| + |
Male receptacle 2-3.5 mm in diam. |
|
(31) |
| |
|
|
|
| 31 (30) |
Stems glabrous. |
|
14 E. paracuminatum |
| + |
Stems puberulent. |
|
17 E. lihengianum |
| |
|
|
|
| 32 (27) |
Female inflorescences 5-9-clustered. |
|
100 E. macintyrei |
| + |
Female inflorescences solitary or paired. |
|
(33) |
| |
|
|
|
| 33 (32) |
Stems pubescent or strigose. |
|
(34) |
| + |
Stems glabrous. |
|
(37) |
| |
|
|
|
| 34 (33) |
Leaf blade with both major lateral veins inserted symmetrically at or above base. |
|
(35) |
| + |
Leaf blade with major lateral veins asymmetric, one inserted above base. |
|
(36) |
| |
|
|
|
| 35 (34) |
Plants monoecious; stems pubescent; leaf blade herbaceous. |
|
16 E. tenuicaudatum |
| + |
Plants dioecious; stems densely strigose; leaf blade papery. |
|
78 E. pergameneum |
| |
|
|
|
| 36 (34) |
Stems densely strigose; leaf blade herbaceous or papery; male inflorescences sessile. |
|
20 E. lineolatum |
| + |
Stems pubescent; leaf blade papery; male inflorescences pedunculate. |
|
24 E. biglomeratum |
| |
|
|
|
| 37 (33) |
Leaf blade with both major lateral veins inserted symmetrically at or above base. |
|
(38) |
| + |
Leaf blade with major lateral veins asymmetric, one inserted above base. |
|
(39) |
| |
|
|
|
| 38 (37) |
Stipules subulate, 2-5 × 0.1-0.3 mm. |
|
16 E. tenuicaudatum |
| + |
Stipules linear-lanceolate, 8-10 × 1-1.2 mm. |
|
18 E. recticaudatum |
| |
|
|
|
| 39 (37) |
Leaf blade ovate, oblong, rhombic, or lanceolate, 1.3-2.5 cm wide. |
|
19 E. oreocnidioides |
| + |
Leaf blade obliquely elliptic, up to 5.5 cm wide. |
|
22 E. boehmerioides |
| |
|
|
|
| 40 (21) |
Plants with nanophylls. |
|
(41) |
| + |
Plants without nanophyll. |
|
(49) |
| |
|
|
|
| 41 (40) |
Stems glabrous or pilose. |
|
(42) |
| + |
Stems pubescent or strigose. |
|
(44) |
| |
|
|
|
| 42 (41) |
Stems furfuraceous. |
|
29 E. monandrum |
| + |
Stems not furfuraceous. |
|
(43) |
| |
|
|
|
| 43 (42) |
Male inflorescences 5-6 mm in diam.; peduncle 2-4 mm. |
|
28 E. sinense |
| + |
Male inflorescences ca. 1.5 cm in diam.; peduncle 5-6 cm. |
|
108 E. napoense |
| |
|
|
|
| 44 (41) |
Female inflorescences 1.1-1.7 × 0.9-1.2 cm. |
|
107 E. tetratepalum |
| + |
Female inflorescences 2-6 mm in diam. |
|
(45) |
| |
|
|
|
| 45 (44) |
Male inflorescences 1.1-2.6 × 1-1.5 cm; peduncle 2-5.5 cm. |
|
106 E. papillosum |
| + |
Male inflorescences 2-8 mm in diam., peduncle 0-2.5 mm . |
|
(46) |
| |
|
|
|
| 46 (45) |
Leaf blade with both major lateral veins inserted at base. |
|
(47) |
| + |
Leaf blade with major lateral veins asymmetric, one inserted above base. |
|
(48) |
| |
|
|
|
| 47 (46) |
Plants 5-45 cm tall; leaf blade margin serrate with 7-20 teeth. |
|
26 E. parvum |
| + |
Plants 2.5-5 cm tall; leaf blade margin dentate with 2-5 teeth. |
|
27 E. cuneatum |
| |
|
|
|
| 48 (46) |
Male inflorescences sessile. |
|
26 E. parvum |
| + |
Male inflorescences pedunculate. |
|
28 E. sinense |
| |
|
|
|
| 49 (40) |
Male receptacle very small, obscure, not discoid. |
|
(50) |
| + |
Male receptacle discoid or pyriform. |
|
(96) |
| |
|
|
|
| 50 (49) |
Female inflorescences with 1-20 flowers; receptacle obscure. |
|
(51) |
| + |
Female inflorescences with 30 flowers or more; receptacle conspicuous. |
|
(52) |
| |
|
|
|
| 51 (50) |
Female inflorescences with 10-20 flowers. |
|
75 E. medogense |
| + |
Female inflorescences with 1(or 2) flower(s). |
|
76 E. obtusum |
| |
|
|
|
| 52 (50) |
Leaf blade with major lateral veins either both inserted at base or asymmetric, one inserted at base, the other above. |
|
(53) |
| + |
Leaf blade pinnately veined. |
|
(83) |
| |
|
|
|
| 53 (52) |
Stems glabrous. |
|
(54) |
| + |
Stems pubescent, puberulent, pilose, villous, or strigose. |
|
(69) |
| |
|
|
|
| 54 (53) |
Leaf blade leathery, 1.2-2.4 × 0.8-1.1 cm. |
|
43 E. coriaceifolium |
| + |
Leaf blade membranous, herbaceous, or papery. |
|
(55) |
| |
|
|
|
| 55 (54) |
Male bracts 6, unequal, larger two 1.2-1.5 cm, smaller four 5-7 mm. |
|
44 E. ichangense |
| + |
Male bracts same or unequal, 1.5-7 mm. |
|
(56) |
| |
|
|
|
| 56 (55) |
Stipules 1.5-3.5 mm wide. |
|
(57) |
| + |
Stipules 0.1-1 mm wide. |
|
(59) |
| |
|
|
|
| 57 (56) |
Male peduncle 0-0.5 mm. |
|
30 E. pycnodontum |
| + |
Male peduncle 0.3-6 cm. |
|
(58) |
| |
|
|
|
| 58 (57) |
Male peduncle 0.8-1.2 mm in diam. |
|
49 E. nasutum |
| + |
Male peduncle 0.1-0.4 mm in diam. |
|
50 E. filipes |
| |
|
|
|
| 59 (56) |
Stems furfuraceous. |
|
(60) |
| + |
Stems not furfuraceous. |
|
(61) |
| |
|
|
|
| 60 (59) |
Leaf blade obliquely ovate. |
|
31 E. myrtillus |
| + |
Leaf blade obliquely linear-oblanceolate. |
|
34 E. imbricans |
| |
|
|
|
| 61 (59) |
Leaf blade with major lateral veins asymmetric, one inserted above base. |
|
(62) |
| + |
Leaf blade with both major lateral veins inserted at base. |
|
(63) |
| |
|
|
|
| 62 (61) |
Female inflorescences sessile. |
|
38 E. asterocephalum |
| + |
Female inflorescences pedunculate. |
|
48 E. trichocarpum |
| |
|
|
|
| 63 (61) |
Male inflorescences sessile or subsessile. |
|
(64) |
| + |
Male inflorescences pedunculate. |
|
(65) |
| |
|
|
|
| 64 (63) |
Leaf blade obliquely elliptic or oblong. |
|
33 E. shanglinense |
| + |
Leaf blade falcate. |
|
35 E. hookerianum |
| |
|
|
|
| 65 (63) |
Stems branched. |
|
(66) |
| + |
Stems simple. |
|
(67) |
| |
|
|
|
| 66 (65) |
Leaf blade strigose on abaxial surface, with cystoliths only near margins. |
|
36 E. microcephalanthum |
| + |
Leaf blade glabrous, with dense cystoliths on both surfaces. |
|
57 E. pseudodissectum |
| |
|
|
|
| 67 (65) |
Plants dioecious. |
|
52 E. gueilinense |
| + |
Plants monoecious. |
|
(68) |
| |
|
|
|
| 68 (67) |
Leaf blade margin dentate; female inflorescences 3-4 mm in diam.; receptacle 2-3 mm in diam. |
|
51 E. yaoshanense |
| + |
Leaf blade margin serrulate; female inflorescences 1-2 mm in diam.; receptacle obscure. |
|
53 E. rhombiforme |
| |
|
|
|
| 69 (53) |
Leaf blade leathery. |
|
42 E. crassiusculum |
| + |
Leaf blade herbaceous or papery. |
|
(70) |
| |
|
|
|
| 70 (69) |
Stipules 1.5-5.2 mm wide. |
|
(71) |
| + |
Stipules 0.1-1 mm wide. |
|
(75) |
| |
|
|
|
| 71 (70) |
Leaf blade with both major lateral veins inserted at base. |
|
(72) |
| + |
Leaf blade with major lateral veins asymmetric, one inserted above base. |
|
(73) |
| |
|
|
|
| 72 (71) |
Plants dioecious. Leaves petiolate. |
|
49 E. nasutum |
| + |
Plants monoecious. Leaves sessile. |
|
59 E. lasiocephalum |
| |
|
|
|
| 73 (71) |
Plants monoecious. |
|
60 E. aliferum |
| + |
Plants dioecious. |
|
(74) |
| |
|
|
|
| 74 (73) |
Stipules 3-5 mm; male peduncle 0-1 mm. |
|
45 E. grandidentatum |
| + |
Stipules 1.5-2 cm; male peduncle 5-10 mm. |
|
61 E. brunneinerve |
| |
|
|
|
| 75 (70) |
Stems 3- or 4-branched. |
|
21 E. ramosum |
| + |
Stems simple or 1-branched. |
|
(76) |
| |
|
|
|
| 76 (75) |
Stems furfuraceous. |
|
(77) |
| + |
Stems not furfuraceous. |
|
(78) |
| |
|
|
|
| 77 (76) |
Leaf blade obliquely oblanceolate or narrowly obovate, 2.5-6.5 × 1-2 cm. |
|
39 E. liboense |
| + |
Leaf blade obliquely elliptic, ca. 13 × 4.5 cm. |
|
56 E. minutifurfuraceum |
| |
|
|
|
| 78 (76) |
Female peduncle 2-35 mm. |
|
48 E. trichocarpum |
| + |
Female peduncle 0-1.5 mm. |
|
(79) |
| |
|
|
|
| 79 (78) |
Stipules strigillose or hirtellous. |
|
(80) |
| + |
Stipules glabrous. |
|
(81) |
| |
|
|
|
| 80 (79) |
Stems simple, pubescent. |
|
40 E. xichouense |
| + |
Stems branched, densely strigillose. |
|
41 E. strigillosum |
| |
|
|
|
| 81 (79) |
Male inflorescences sessile. |
|
37 E. longibracteatum |
| + |
Male inflorescences pedunculate. |
|
(82) |
| |
|
|
|
| 82 (81) |
Leaf blade base auriculate on broader outer half. |
|
54 E. strigulosum |
| + |
Leaf blade base obtuse on broader outer half. |
|
55 E. gungshanense |
| |
|
|
|
| 83 (52) |
Female plants with bulbils. |
|
63 E. stewardii |
| + |
Plants without bulbil. |
|
(84) |
| |
|
|
|
| 84 (83) |
Stems glabrous. |
|
(85) |
| + |
Stems pubescent, puberulent, villous, or strigose. |
|
(90) |
| |
|
|
|
| 85 (84) |
Stipules subulate, 1-1.5 × 0.1-0.2 mm. |
|
70 E. youyangense |
| + |
Stipules linear or triangular, 3-7 × 1.5-2 mm. |
|
(86) |
| |
|
|
|
| 86 (85) |
Stipules without cystolith. |
|
(87) |
| + |
Stipules with cystoliths. |
|
(88) |
| |
|
|
|
| 87 (86) |
Leaves sessile; leaf blade herbaceous. |
|
64 E. bracteosum |
| + |
Petiole 2-10 mm; leaf blade papery or nearly leathery. |
|
65 E. subcoriaceum |
| |
|
|
|
| 88 (86) |
Leaf blade 2.5-5 × 1.2-2 cm, obtuse at apex. |
|
74 E. obscurinerve |
| + |
Leaf blade 4.5-19 × 2-6 cm, cuspidate, acuminate, or caudate at apex. |
|
(89) |
| |
|
|
|
| 89 (88) |
Male inflorescences with peduncle (4-)7-20(-32) mm. |
|
66 E. involucratum |
| + |
Male inflorescences sessile or subsessile. |
|
67 E. acuteserratum |
| |
|
|
|
| 90 (84) |
Stipules subulate, 0.1-0.2 mm wide. |
|
(91) |
| + |
Stipules lanceolate, linear, or triangular, 1.5-2 mm wide. |
|
(92) |
| |
|
|
|
| 91 (90) |
Stems puberulent; leaf blade 3.5-5 cm. |
|
69 E. mabienense |
| + |
Stems strigose; leaf blade 6-8.5 cm. |
|
73 E. calciferum |
| |
|
|
|
| 92 (90) |
Stems branched. |
|
(93) |
| + |
Stems simple. |
|
(94) |
| |
|
|
|
| 93 (92) |
Stems glabrous or sparsely puberulent; leaf blade 4.5-16(-19) × 2-4.5(-6) cm. |
|
66 E. involucratum |
| + |
Stems densely villous; leaf blade 2-5.5 × 0.7-2.2 cm. |
|
71 E. villosum |
| |
|
|
|
| 94 (92) |
Stipules without cystolith. |
|
68 E. tenuicornutum |
| + |
Stipules with cystoliths. |
|
(95) |
| |
|
|
|
| 95 (94) |
Leaf blade obliquely oblanceolate-oblong or oblong, 4.5-19 × 2-6 cm; male bracts glabrous. |
|
66 E. involucratum |
| + |
Leaf blade obliquely oblanceolate or linear-oblanceolate, 6-10.5 × 1.2-2.8 cm; male bracts villous. |
|
72 E. sublineare |
| |
|
|
|
| 96 (49) |
Leaf blade pinnately veined. |
|
(97) |
| + |
Leaf blade with both major lateral veins inserted at base, with major lateral veins either both inserted above base or asymmetric, one inserted at base, the other above. |
|
(109) |
| |
|
|
|
| 97 (96) |
Stems pubescent, pilose, or strigose. |
|
(98) |
| + |
Stems glabrous. |
|
(102) |
| |
|
|
|
| 98 (97) |
Stems branched. |
|
(99) |
| + |
Stems simple. |
|
(100) |
| |
|
|
|
| 99 (98) |
Male inflorescences without bracts. |
|
138 E. tenuifolium |
| + |
Male inflorescences with bracts. |
|
144 E. albopilosum |
| |
|
|
|
| 100 (98) |
Leaf blade brown-black after drying. |
|
139 E. nanchuanense |
| + |
Leaf blade green after drying. |
|
(101) |
| |
|
|
|
| 101 (100) |
Leaf blade 1.5-5.5 × 0.5-2 cm. |
|
117 E. hypoglaucum |
| + |
Leaf blade 10-27 × 3.5-7.5 cm. |
|
140 E. pseudoficoides |
| |
|
|
|
| 102 (97) |
Plants monoecious. |
|
(103) |
| + |
Plants dioecious. |
|
(105) |
| |
|
|
|
| 103 (102) |
Stems simple. |
|
140 E. pseudoficoides |
| + |
Stems branched. |
|
(104) |
| |
|
|
|
| 104 (103) |
Male peduncle 1-3 mm; female inflorescences 5-9 mm in diam. |
|
136 E. pseudobrachyodontum |
| + |
Male peduncle 1.4-1.8 cm; female inflorescences 2-3.5 mm in diam. |
|
142 E. wenxienense |
| |
|
|
|
| 105 (102) |
Leaf blade papery; stipules subulate, 0.1-0.2 mm wide; female receptacle 2-3-lobed. |
|
134 E. schizocephalum |
| + |
Leaf blade herbaceous or papery; stipules narrowly linear or triangular, 0.8-3 mm wide; female receptacle not lobed. |
|
(106) |
| |
|
|
|
| 106 (105) |
Stems simple. |
|
(107) |
| + |
Stems branched. |
|
(108) |
| |
|
|
|
| 107 (106) |
Leaf blade herbaceous, puberulent on abaxial surface; cystoliths obscure. |
|
133 E. acutitepalum |
| + |
Leaf blade papery, glabrous; cystoliths conspicuous. |
|
135 E. xanthophyllum |
| |
|
|
|
| 108 (106) |
Leaf blade 17-23 × 4.5-7.5 cm; male peduncle 1-1.5 cm. |
|
137 E. atropurpureum |
| + |
Leaf blade 7-11 × 2-4 cm; male peduncle 9-10 cm. |
|
143 E. subpenninerve |
| |
|
|
|
| 109 (96) |
Stems furfuraceous. |
|
(110) |
| + |
Stems not furfuraceous. |
|
(116) |
| |
|
|
|
| 110 (109) |
Stipules 0.1-1 mm wide. |
|
(111) |
| + |
Stipules 1.5-6 mm wide. |
|
(112) |
| |
|
|
|
| 111 (110) |
Male peduncle ca. 2 mm. |
|
89 E. yui |
| + |
Male peduncle 1.5-8 cm. |
|
127 E. dissectum |
| |
|
|
|
| 112 (110) |
Leaf blade with both major lateral veins inserted at base. |
|
(113) |
| + |
Leaf blade with major lateral veins asymmetric, one inserted above base. |
|
(114) |
| |
|
|
|
| 113 (112) |
Female peduncle 0.5-1 mm. |
|
82 E. pachyceras |
| + |
Female peduncle 1.2-1.6 cm. |
|
131 E. ferrugineum |
| |
|
|
|
| 114 (112) |
Male bracts conspicuous, ovate or triangular. |
|
83 E. cuspidatum |
| + |
Male bracts obscure. |
|
(115) |
| |
|
|
|
| 115 (114) |
Male inflorescences 4-8 mm in diam.; receptacle 2.5-5.5 mm in diam. |
|
88 E. yangbiense |
| + |
Male inflorescences 7-15 mm in diam.; receptacle 7-14 mm in diam. |
|
90 E. platyceras |
| |
|
|
|
| 116 (109) |
Leaf blade lanceolate or narrowly lanceolate, papery. |
|
96 E. longistipulum |
| + |
Leaf blade obliquely elliptic, oblong, ovate, or obovate. |
|
(117) |
| |
|
|
|
| 117 (116) |
Leaf blade margin crenulate or crenate. |
|
(118) |
| + |
Leaf blade margin dentate, denticulate, or serrate. |
|
(122) |
| |
|
|
|
| 118 (117) |
Leaf blade with major lateral veins asymmetric, one inserted above base. |
|
(119) |
| + |
Leaf blade with both major lateral veins inserted at base. |
|
(120) |
| |
|
|
|
| 119 (118) |
Plants dioecious; stems densely strigose. |
|
103 E. wangii |
| + |
Plants monoecious; stems crispately pubescent. |
|
130 E. crispulum |
| |
|
|
|
| 120 (118) |
Stems simple. |
|
80 E. setulosum |
| + |
Stems branched. |
|
(121) |
| |
|
|
|
| 121 (120) |
Male peduncle 6-8 mm. |
|
79 E. breviacuminatum |
| + |
Male peduncle 2-7 cm. |
|
129 E. manhaoense |
| |
|
|
|
| 122 (117) |
Stipules 0.1-1 mm wide. |
|
(123) |
| + |
Stipules 1.5-8 mm wide. |
|
(132) |
| |
|
|
|
| 123 (122) |
Stems pilose, puberulent, pubescent, or strigose. |
|
(124) |
| + |
Stems glabrous. |
|
(126) |
| |
|
|
|
| 124 (123) |
Male inflorescences 2-2.8 cm in diam. |
|
94 E. atroviride |
| + |
Male inflorescences 6-13 mm in diam. |
|
(125) |
| |
|
|
|
| 125 (124) |
Plants dioecious; male peduncle ca. 6 mm. |
|
77 E. cyrtandrifolium |
| + |
Plants monoecious; male peduncle up to 4 cm. |
|
117 E. hypoglaucum |
| |
|
|
|
| 126 (123) |
Plants monoecious. |
|
(127) |
| + |
Plants dioecious. |
|
(129) |
| |
|
|
|
| 127 (126) |
Stems branched. |
|
125 E. hekouense |
| + |
Stems simple. |
|
(128) |
| |
|
|
|
| 128 (127) |
Leaf blade sparsely strigillose on adaxial surface. |
|
121 E. leucocephalum |
| + |
Leaf blade glabrous. |
|
124 E. longipes |
| |
|
|
|
| 129 (126) |
Leaf blade glabrous. |
|
91 E. lungzhouense |
| + |
Leaf blade sparsely strigillose on adaxial surface. |
|
(130) |
| |
|
|
|
| 130 (129) |
Male peduncle 1.4-4.2 cm. |
|
128 E. dissectoides |
| + |
Male peduncle 1.8-6 mm . |
|
(131) |
| |
|
|
|
| 131 (130) |
Male inflorescences solitary. |
|
77 E. cyrtandrifolium |
| + |
Male inflorescences paired. |
|
87 E. tenuireceptaculum |
| |
|
|
|
| 132 (122) |
Stems glabrous. |
|
(133) |
| + |
Stems pubescent, puberulent, hirtellous, hirsute, villosulous, or strigose. |
|
(145) |
| |
|
|
|
| 133 (132) |
Leaf blade with both major lateral veins inserted symmetrically at or above base. |
|
(134) |
| + |
Leaf blade with major lateral veins asymmetric, one inserted above base. |
|
(138) |
| |
|
|
|
| 134 (133) |
Leaf blade base rounded or cuneate on broader outer half. |
|
(135) |
| + |
Leaf blade base auriculate or cordate on broader outer half. |
|
(136) |
| |
|
|
|
| 135 (134) |
Male peduncle 0.1-0.2 cm. |
|
97 E. balansae |
| + |
Male peduncle 1.3-2.5 cm. |
|
126 E. procridioides |
| |
|
|
|
| 136 (134) |
Female inflorescences paired. |
|
105 E. auriculatum |
| + |
Female inflorescences solitary. |
|
(137) |
| |
|
|
|
| 137 (136) |
Stems simple; female inflorescence ca. 3 mm in diam. |
|
81 E. pseudocuspidatum |
| + |
Stems branched; female inflorescence ca. 12 × 8 mm. |
|
98 E. multicanaliculatum |
| |
|
|
|
| 138 (133) |
Male peduncle 0.5-10 mm. |
|
(139) |
| + |
Male peduncle 1.8-12 cm. |
|
(143) |
| |
|
|
|
| 139 (138) |
Leaf blade base auriculate on broader outer half. |
|
86 E. yungshunense |
| + |
Leaf blade base cuneate or rounded on broader outer half. |
|
(140) |
| |
|
|
|
| 140 (139) |
Plants monoecious. |
|
85 E. angustitepalum |
| + |
Plants dioecious. |
|
(141) |
| |
|
|
|
| 141 (140) |
Leaves petiolate, petiole 1.5-12 mm. |
|
99 E. megacephalum |
| + |
Leaves sessile or subsessile. |
|
(142) |
| |
|
|
|
| 142 (141) |
Leaf blade glabrous on adaxial surface; stipules 18-20 mm. |
|
93 E. didymocephalum |
| + |
Leaf blade sparsely strigillose on adaxial surface; stipules 5-14 mm. |
|
97 E. balansae |
| |
|
|
|
| 143 (138) |
Leaf blade 10-13.5 × 4.5-5.5 cm; petiole 5-11 mm. |
|
111 E. laxisericeum |
| + |
Leaf blade 4-8 × 1.5-3 cm; petiole 0-2 mm. |
|
(144) |
| |
|
|
|
| 144 (143) |
Stems branched; male peduncle 3.2 -7.5 cm. |
|
122 E. omeiense |
| + |
Stems simple; male peduncle 9-12 cm. |
|
123 E. jinpingense |
| |
|
|
|
| 145 (132) |
Leaf blade base rounded, obtuse, or cuneate on broader outer half. |
|
(146) |
| + |
Leaf blade base auriculate, cordate, or subcordate on broader outer half. |
|
(152) |
| |
|
|
|
| 146 (145) |
Stems densely strigose. |
|
101 E. rupestre |
| + |
Stems pubescent or puberulent. |
|
(147) |
| |
|
|
|
| 147 (146) |
Male peduncle 0.1-0.2 cm. |
|
97 E. balansae |
| + |
Male peduncle 1-12.5 cm. |
|
(148) |
| |
|
|
|
| 148 (147) |
Peduncle as long as staminate inflorescences. |
|
110 E. cuneiforme |
| + |
Peduncle 2-10 × as long as staminate inflorescences. |
|
(149) |
| |
|
|
|
| 149 (148) |
Plants monoecious. |
|
116 E. dulongense |
| + |
Plants dioecious. |
|
(150) |
| |
|
|
|
| 150 (149) |
Peduncle glabrous. |
|
119 E. microtrichum |
| + |
Peduncle puberulent. |
|
(151) |
| |
|
|
|
| 151 (150) |
Male inflorescences 5-7 mm in diam.; peduncle 1 -1.3 cm. |
|
114 E. tianlinense |
| + |
Male inflorescences 7-13 mm in diam.; peduncle 8 -12.5 cm. |
|
118 E. stigmatosum |
| |
|
|
|
| 152 (145) |
Plants monoecious. |
|
113 E. pubipes |
| + |
Plants dioecious. |
|
(153) |
| |
|
|
|
| 153 (152) |
Leaf blade with both major lateral veins inserted at base. |
|
(154) |
| + |
Leaf blade with major lateral veins asymmetric, one inserted above base. |
|
(157) |
| |
|
|
|
| 154 (153) |
Leaf blade obliquely oblong-obovate. |
|
105 E. auriculatum |
| + |
Leaf blade obliquely elliptic. |
|
(155) |
| |
|
|
|
| 155 (154) |
Stems puberulent. |
|
109 E. subcuspidatum |
| + |
Stems densely strigose. |
|
(156) |
| |
|
|
|
| 156 (155) |
Leaf blade 3-7.5 × 1.5-4 cm. |
|
95 E. retrohirtum |
| + |
Leaf blade 10-22.5 × 4.5-11 cm. |
|
102 E. eriocephalum |
| |
|
|
|
| 157 (153) |
Stems densely strigose; stipules strigose on abaxial surface. |
|
103 E. wangii |
| + |
Stems hirsute, hirtellous, puberulent, or villosulous; stipules glabrous, ciliate, or hirsute. |
|
(158) |
| |
|
|
|
| 158 (157) |
Plants up to 80 cm tall; stipules 13-17.5 × 2-5 mm. |
|
120 E. rivulare |
| + |
Plants 14-40 cm tall; stipules 4-8 × 1.6-2.2 mm. |
|
(159) |
| |
|
|
|
| 159 (158) |
Male peduncle 1-1.5 mm. |
|
84 E. menglunense |
| + |
Male peduncle ca. 4.5 cm. |
|
115 E. goniocephalum |
