| 1 |
Tepals unequal, outmost whorl membranous but others fleshy; stipules free from petiole. |
|
37 M. hypolampra |
| + |
Tepals subequal, ± fleshy; stipules free from or connate to petiole |
|
(2) |
| |
|
|
|
| 2 (1) |
Tepals 6, in 2 whorls; stipules free from petiole |
|
(3) |
| + |
Tepals 9 or more, in 3 or more whorls; stipules free from or connate to petiole |
|
(10) |
| |
|
|
|
| 3 (2) |
Leaf blades glabrous on both surfaces |
|
(4) |
| + |
Leaf blades at least abaxially with some trichomes |
|
(7) |
| |
|
|
|
| 4 (3) |
Gynoecium glabrous |
|
(5) |
| + |
Gynoecium with trichomes |
|
(6) |
| |
|
|
|
| 5 (4) |
Fruit 8-15 cm. |
|
30 M. martini |
| + |
Fruit 3.5-10 cm. |
|
31 M. chapensis |
| |
|
|
|
| 6 (4) |
Brachyblasts with trichomes; tepals obovate-elliptic. |
|
31 M. chapensis |
| + |
Brachyblasts glabrous; tepals narrowly oblong to broadly lanceolate. |
|
32 M. xanthantha |
| |
|
|
|
| 7 (3) |
Leaf blade 1.5-2.5 cm wide, secondary veins inconspicuous; tepals narrower and smaller, oblanceolate. |
|
33 M. angustioblonga |
| + |
Leaf blade 2.8-10 cm wide, secondary veins conspicuous; tepals broader and larger, obovate- elliptic, obovate, oblong, or narrowly elliptic (but unknown for M. leveilleana) |
|
(8) |
| |
|
|
|
| 8 (7) |
Leaf blades thinly leathery, both surfaces pubescent when young. |
|
36 M. leveilleana |
| + |
Leaf blades thickly leathery or leathery, abaxially brown tomentose and adaxially glabrous |
|
(9) |
| |
|
|
|
| 9 (8) |
Petiole 1.5-4 cm; mature carpels 2-6 cm. |
|
34 M. balansae |
| + |
Petiole ca. 1 cm; mature carpels 1-2 cm. |
|
35 M. guangxiensis |
| |
|
|
|
| 10 (2) |
Stipules adnate to petiole, leaving stipular scar on petiole |
|
(11) |
| + |
Stipules free from petiole, no stipular scar on petiole |
|
(26) |
| |
|
|
|
| 11 (10) |
Petiole shorter, usually not exceeding 5 mm; outer tepals smaller |
|
(12) |
| + |
Petiole longer, often exceeding 5 mm; outer tepals larger |
|
(15) |
| |
|
|
|
| 12 (11) |
Gynoecium glabrous. |
|
27 M. figo |
| + |
Gynoecium with trichomes |
|
(13) |
| |
|
|
|
| 13 (12) |
Tepals pale yellow, outer ones outside with brownish trichomes. |
|
29 M. skinneriana |
| + |
Tepals white, purplish red, or dark purple, outer ones outside glabrous |
|
(14) |
| |
|
|
|
| 14 (13) |
Tepals white; gynoecium exceeding androecium; fruit usually with 5-9 mature carpels. |
|
26 M. yunnanensis |
| + |
Tepals dark purple; gynoecium not exceeding androecium; fruit with more than 10 mature carpels. |
|
28 M. crassipes |
| |
|
|
|
| 15 (11) |
Stipular scar shorter than 1/3 of petiole |
|
(16) |
| + |
Stipular scar longer than 1/3 of petiole |
|
(20) |
| |
|
|
|
| 16 (15) |
Tepals yellow |
|
(17) |
| + |
Tepals white |
|
(18) |
| |
|
|
|
| 17 (16) |
Leaf blade thinly leathery, obovate, 20-27 × 7-11 cm, abaxially glaucous; tepals 8. |
|
10 M. opipara |
| + |
Leaf blade leathery, obovate to narrowly obovate, 9-15 × 3-7 cm, abaxially grayish white; tepals 9-12. |
|
11 M. wilsonii |
| |
|
|
|
| 18 (16) |
Twigs and petioles grayish white appressed pubescent. |
|
7 M. doltsopa |
| + |
Twigs and petioles with brownish trichomes |
|
(19) |
| |
|
|
|
| 19 (18) |
Young twigs densely yellowish brown tomentose; petiole adaxially furrowed. |
|
8 M. fulva |
| + |
Young twigs brown pubescent; petiole not adaxially furrowed. |
|
9 M. sphaerantha |
| |
|
|
|
| 20 (15) |
Tepals obovate to spatulate |
|
(21) |
| + |
Tepals narrowly oblanceolate or narrowly lanceolate |
|
(23) |
| |
|
|
|
| 21 (20) |
Tepals white. |
|
6 M. floribunda |
| + |
Tepals yellow or ivory-yellow, red-dotted |
|
(22) |
| |
|
|
|
| 22 (21) |
Stipular scar reaching middle of petiole; tepals yellow or ivory-yellow, red-dotted; fruit subellipsoid, ca. 13 × 9 cm; mature carpels connate. |
|
4 M. odora |
| + |
Stipular scar reaching apex of petiole; tepals yellow; fruit terete; mature carpels distinct. |
|
5 M. kisopa |
| |
|
|
|
| 23 (20) |
Young twigs densely gray tomentose; old twigs, fruiting brachyblasts, gynophores, and carpels pilose. |
|
1 M. velutina |
| + |
Young parts pubescent, later pubescent or glabrous |
|
(24) |
| |
|
|
|
| 24 (23) |
Tepals white. |
|
38 M. ×alba |
| + |
Tepals yellow or white but if white at least cream-colored in bud |
|
(25) |
| |
|
|
|
| 25 (24) |
Leaf blade adaxially glabrous, midvein flat; fruit terete, 7-15 cm, mature carpels distinct. |
|
2 M. champaca |
| + |
Leaf blade adaxially brownish appressed villous at first, midvein impressed; fruit ellipsoid to ellipsoid-cylindric, 6-10 cm, mature carpels connate. |
|
3 M. baillonii |
| |
|
|
|
| 26 (10) |
Tepals obovate, broadly obovate, or obovate-oblong |
|
(27) |
| + |
Tepals spatulate-obovate, narrowly obovate, or spatulate |
|
(31) |
| |
|
|
|
| 27 (26) |
Leaf blade glabrous on both surfaces |
|
(28) |
| + |
Leaf blade with trichomes |
|
(29) |
| |
|
|
|
| 28 (27) |
Buds narrowly ellipsoid; twigs glabrous. |
|
22 M. shiluensis |
| + |
Buds cylindric; twigs puberulous. |
|
23 M. coriacea |
| |
|
|
|
| 29 (27) |
Tepals white. |
|
24 M. guangdongensis |
| + |
Tepals pale yellow |
|
(30) |
| |
|
|
|
| 30 (29) |
Leaf blade oblong-elliptic, elliptic-ovate, or ovate, 17-23 × 6-11 cm, reddish brown or silvery gray tomentose abaxially. |
|
25 M. foveolata |
| + |
Leaf blade obovate-oblong or narrowly elliptic, 9-18 × 4.5-5.5 cm, densely brown pubescent or golden yellow villous. |
|
39 M. elegans |
| |
|
|
|
| 31 (26) |
Leaf blade glabrous on both surfaces |
|
(32) |
| + |
Leaf blade with some trichomes |
|
(34) |
| |
|
|
|
| 32 (31) |
Leaf blade abaxially glaucous. |
|
12 M. maudiae |
| + |
Leaf blade not abaxially glaucous |
|
(33) |
| |
|
|
|
| 33 (32) |
Leaf blade oblong-elliptic to elliptic, 14-17 × 6-8 cm. |
|
13 M. lacei |
| + |
Leaf blade elliptic to narrowly elliptic, 7-10 × 1.7-2.3 cm. |
|
14 M. iteophylla |
| |
|
|
|
| 34 (31) |
Androecium exceeding gynoecium. |
|
15 M. fujianensis |
| + |
Androecium not exceeding gynoecium |
|
(35) |
| |
|
|
|
| 35 (34) |
Tepals yellow |
|
(36) |
| + |
Tepals white or red |
|
(37) |
| |
|
|
|
| 36 (35) |
Leaf blade narrowly obovate, abaxially scattered with reddish brown erect trichomes. |
|
11 M. wilsonii |
| + |
Leaf blade narrowly ovate to narrowly elliptic, abaxially with brown silky trichomes. |
|
16 M. flaviflora |
| |
|
|
|
| 37 (35) |
Bark fissured. |
|
17 M. masticata |
| + |
Bark smooth |
|
(38) |
| |
|
|
|
| 38 (37) |
Buds, young twigs, and young leaves with dense reddish brown silky trichomes or tomentose |
|
(39) |
| + |
Buds, young twigs, and young leaves with brownish appressed trichomes or puberulous |
|
(40) |
| |
|
|
|
| 39 (38) |
Leaf blade abaxially grayish white or mixed with reddish brown appressed trichomes; tepals 9. |
|
18 M. cavaleriei |
| + |
Leaf blade abaxially glabrescent; tepals 9-12. |
|
20 M. macclurei |
| |
|
|
|
| 40 (38) |
Gynoecium with fine golden trichomes. |
|
19 M. compressa |
| + |
Gynoecium brown tomentose or silvery appressed puberulous |
|
(41) |
| |
|
|
|
| 41 (40) |
Leaf blade leathery, obovate, elliptic-obovate, rhomboid-obovate, rhomboid, or oblong-elliptic, 7-18 × 5-7 cm. |
|
20 M. macclurei |
| + |
Leaf blade thinly leathery, rhomboid-elliptic, 6-13 × 3-5 cm. |
|
21 M. mediocris |
