| 1 |
Aril free from testa (fruit of L. brevisepala and L. dielsiana not seen) |
|
(2) |
| + |
Aril adherent to testa |
|
(18) |
| |
|
|
|
| 2 (1) |
Bracteoles free |
|
(3) |
| + |
Bracteoles connate |
|
(4) |
| |
|
|
|
| 3 (2) |
Stipules compressed triangular, shortly acuminate; bracteole longer than calyx. |
|
5 L. dielsiana |
| + |
Stipules long triangular, acuminate; bracteole shorter than calyx or subequal in length. |
|
26 L. scissa |
| |
|
|
|
| 4 (2) |
Bracteoles connate from base to middle |
|
(5) |
| + |
Bracteoles 1/2-2/3 connate |
|
(10) |
| |
|
|
|
| 5 (4) |
Bracteoles longer than calyces or nearly as long as calyces |
|
(6) |
| + |
Bracteoles shorter than calyces |
|
(8) |
| |
|
|
|
| 6 (5) |
Flowers mostly terminal on branches or laterally arranged; calyx lobes lanceolate-subulate, acuminate or shortly acuminate, glabrous; corolla funnelform, lobes not incurved at apex; stamens inserted in corolla tube throat. |
|
8 L. glomerata |
| + |
Flowers 3 terminal on branches; calyx lobes short or long triangular or subovate, very acute, ciliate; corolla narrowly funnelform, lobes incurved at apex; stamens inserted below corolla tube throat |
|
(7) |
| |
|
|
|
| 7 (6) |
Calyx lobes short or long triangular. |
|
14 L. limprichtii |
| + |
Calyx lobes subovate. |
|
21 L. pumila |
| |
|
|
|
| 8 (5) |
Leaves thickly papery, glabrous; stipules subtriangular; calyx lobes not ciliate. |
|
2 L. brevisepala |
| + |
Leaves papery, pilose; stipules broadly triangular, glandular on margins; calyx lobes ciliate |
|
(9) |
| |
|
|
|
| 9 (8) |
Stipules with stiff acicular apiculus, sometimes with stipitate glands on margins; corolla lobes triangular-oblate, apex obtuse; stamens inserted in corolla tube throat. |
|
29 L. velutiniflora |
| + |
Stipules with acicular apiculus, with 2 glandular teeth; corolla lobes ovate-triangular, apex reflexed; stamens inserted below corolla tube throat. |
|
20 L. potaninii |
| |
|
|
|
| 10 (4) |
Bracteoles equal or subequal in length to calyces; corolla lobes inflexed at apex |
|
(11) |
| + |
Bracteoles longer than calyces; corolla lobes not inflexed at apex |
|
(13) |
| |
|
|
|
| 11 (10) |
Flowers with pedicels, 3-9 mm. |
|
28 L. umbellata |
| + |
Flowers sessile or subsessile |
|
(12) |
| |
|
|
|
| 12 (11) |
Corolla small, 11-14 mm; free portion of bracteole triangular. |
|
16 L. oblonga |
| + |
Corolla large, to ca. 16 mm; free portion of bracteole broadly triangular. |
|
9 L. gracilis |
| |
|
|
|
| 13 (10) |
Stigmas 3-lobed, filiform |
|
(14) |
| + |
Stigmas 5-lobed, linear |
|
(15) |
| |
|
|
|
| 14 (13) |
Leaves thickly papery; bracteoles sparsely ciliate; calyx lobes shortly acuminate; corolla purplish red, lobes 4 or 5, ovate-lanceolate; stamens inserted above corolla tube throat. |
|
17 L. ordosica |
| + |
Leaves leathery; bracteoles pilose; calyx lobes obtuse; corolla white, lobes 5, sublanceolate; stamens inserted below corolla tube throat. |
|
24 L. scabrida |
| |
|
|
|
| 15 (13) |
Leaves papery, 3-10 cm, petioles ca. 24 mm; calyx lobes triangular-ovate; corolla lobes with 3 obtuse teeth, incurved. |
|
12 L. kumaonensis |
| + |
Leaves subleathery or leathery, to 4 cm, petioles 4-7 mm; calyx lobes broadly oblong to suborbicular; corolla lobes obtuse |
|
(16) |
| |
|
|
|
| 16 (15) |
Leaves ovate to broadly lanceolate, whitish or pale yellow abaxially when dry, veinlets indistinct abaxially. |
|
4 L. coriaceifolia |
| + |
Leaves ovate, ovate-oblong, elliptic, or suborbicular, pale green or iron-gray abaxially when dry, veinlets conspicuous abaxially |
|
(17) |
| |
|
|
|
| 17 (16) |
Flowers 3-7 fascicled, terminal or in axils of upper 3-6 pairs of leaves, subsessile or pedicels 0.3-2.6 mm. |
|
30 L. vestita |
| + |
Flowers (1-)3-5 fascicled, terminal on ultimate branches of inflorescence, forming a thyrse, pedicels to 8 mm. |
|
33 L. yangshuoensis |
| |
|
|
|
| 18 (1) |
Bracteoles separated, scaly. |
|
1 L. beichuanensis |
| + |
Bracteoles connate |
|
(19) |
| |
|
|
|
| 19 (18) |
Bracteoles nearly as long as corolla |
|
(20) |
| + |
Bracteoles obviously longer or shorter than calyces |
|
(24) |
| |
|
|
|
| 20 (19) |
Stigmas 2-lobed. |
|
13 L. lanata |
| + |
Stigmas 5-lobed |
|
(21) |
| |
|
|
|
| 21 (20) |
Bracteoles tomentose |
|
(22) |
| + |
Bracteoles pubescent or ciliate on upper portion |
|
(23) |
| |
|
|
|
| 22 (21) |
Bracteoles slightly longer than calyces; calyx lobes ovate, acuminate. |
|
10 L. handeliana |
| + |
Bracteoles shorter than calyces; calyx lobes ovate-oblong, slightly obtuse. |
|
27 L. tomentella |
| |
|
|
|
| 23 (21) |
Leaves 1-4 × ca. 2 cm, petioles to 1 cm; bracteoles subulate-acuminate at apex. |
|
23 L. rehderiana |
| + |
Leaves 4-9 × 1.25-2 mm, petioles very short or subsessile; bracteoles rounded at apex, apiculate. |
|
25 L. schneideri |
| |
|
|
|
| 24 (19) |
Bracteoles obviously longer than calyces |
|
(25) |
| + |
Bracteoles obviously shorter than calyces |
|
(29) |
| |
|
|
|
| 25 (24) |
Stigmas usually 3-lobed. |
|
32 L. xizangensis |
| + |
Stigmas usually 5-lobed |
|
(26) |
| |
|
|
|
| 26 (25) |
Leaves glabrous on both surfaces |
|
(27) |
| + |
Leaves hairy on both surfaces, at least ciliate along margins |
|
(28) |
| |
|
|
|
| 27 (26) |
Stipules triangular, glabrous; flowers subsessile; calyx lobes densely fimbriate-ciliate; corolla pallid purple, narrowly funnelform, lobes lanceolate; stamens inserted above corolla tube throat. |
|
3 L. buxifolia |
| + |
Stipules ovate-triangular, covered with soft hairs; flowers with pedicel 3-5(-8) mm; calyx lobes shortly ciliate; corolla purplish blue, funnelform, lobes broadly ovate; stamens inserted below corolla tube throat. |
|
6 L. diffusa |
| |
|
|
|
| 28 (26) |
Stipules compressed triangular or triangular, acuminate, apiculus rarely with 1 or 2 lateral glandular teeth; calyx lobes acuminate. |
|
10 L. handeliana |
| + |
Stipules broadly triangular, cuspidate-apiculate; calyx lobes obtuse to truncate. |
|
19 L. pilosa |
| |
|
|
|
| 29 (24) |
Stigmas more than 3-lobed |
|
(30) |
| + |
Stigmas 2- or 3-lobed |
|
(32) |
| |
|
|
|
| 30 (29) |
Corolla lobes subovate, apex inflexed and beaked. |
|
11 L. hirsutiflora |
| + |
Corolla lobes ovoid-lanceolate, apex mucronate or slightly obtuse |
|
(31) |
| |
|
|
|
| 31 (30) |
Leaves slightly thick; bracteoles abruptly acuminate at apex; calyx lobes triangular-lanceolate; corolla lobes acute, margins revolute. |
|
18 L. parvifolia |
| + |
Leaves papery, margins obviously recurved; bracteoles abruptly acute; calyx lobes oblong-ovate; corolla lobes slightly obtuse. |
|
22 L. purdomii |
| |
|
|
|
| 32 (29) |
Corolla broadly funnelform; stamens inserted below corolla tube throat |
|
(33) |
| + |
Corolla funnelform; stamens inserted in corolla tube throat |
|
(34) |
| |
|
|
|
| 33 (32) |
Stipules apiculate at apex, sparsely pilose at base; bracteole lobes triangular; corolla white, pallid pink, or purple, lobes apically inflexed and beaked. |
|
15 L. ludlowii |
| + |
Stipules lacerate at apex, with glandular hairs along margins; bracteole lobes lanceolate or ensiform-lanceolate; corolla purple, lobes shallowly 3-parted at apex, margins wavy. |
|
34 L. yui |
| |
|
|
|
| 34 (32) |
Stipules with fimbriate collaters along margins; corolla pallid blue or purplish or purplish red; stigmas 2-lobed. |
|
7 L. forrestii |
| + |
Stipules usually glandular along margins; corolla white or pallid red, stigmas 3-lobed. |
|
31 L. wilsonii |
