|
| 1 |
Woody climbers; leaf blade 3-foliolate; stamens equal to petals in length. |
|
1 T. radicans subsp. hispidum |
| + |
Trees or shrubs; leaf blade imparipinnately compound; stamens exserted |
|
(2) |
| |
|
|
|
| 2 (1) |
Branchlets, petiole, and leaf rachis robust; infructescence erect; drupe minutely pubescent, fruit epicarp irregularly dehiscent at maturity |
|
(3) |
| + |
Branchlets, petiole, and leaf rachis slender; infructescence pendulous; drupe glabrous or rarely bristly, fruit epicarp indehiscent at maturity |
|
(6) |
| |
|
|
|
| 3 (2) |
Leaflets glabrous or minutely pubescent abaxially along midnerve. |
|
2 T. griffithii |
| + |
Leaflets ferruginous tomentose |
|
(4) |
| |
|
|
|
| 4 (3) |
Petiole, leaf rachis, and inflorescence glabrous. |
|
3 T. hookeri var. microcarpum |
| + |
Petiole, leaf rachis, and inflorescence ferruginous pubescent |
|
(5) |
| |
|
|
|
| 5 (4) |
Leaflets oblong, veinlets slightly impressed adaxially; inflorescence peduncle ca. 20 cm. |
|
4 T. fulvum |
| + |
Leaflets ovate to oblong-elliptic, veinlets slightly prominent adaxially; inflorescence peduncle 3-9 cm. |
|
5 T. wallichii |
| |
|
|
|
| 6 (2) |
Branchlets, leaf rachis, and petiolules pubescent, hirsute, or tomentose; inflorescence pubescent |
|
(7) |
| + |
Branchlets, leaf rachis, and petiolules glabrous; inflorescence glabrous or rarely minutely pubescent |
|
(11) |
| |
|
|
|
| 7 (6) |
Inflorescence half as long as pinnately compound leaf |
|
(8) |
| + |
Inflorescence equal to or longer than pinnately compound leaf |
|
(9) |
| |
|
|
|
| 8 (7) |
Branchlets, leaf rachis, and inflorescence densely covered with straight hairs; leaflet margin ciliate; drupe bristly, wider than long. |
|
6 T. trichocarpum |
| + |
Branchlets, leaf rachis, and inflorescence covered with curved or curled hairs; leaflet margin glabrous; drupe glabrous, longer than wide. |
|
7 T. sylvestre |
| |
|
|
|
| 9 (7) |
Leaflets pubescent abaxially along midrib, margin glabrous, petiolule 4-7 mm; drupe subsymmetrical. |
|
8 T. vernicifluum |
| + |
Leaflets hirsute or pubescent on both surfaces, margin ciliate, petiolule sessile to 2 mm; drupe oblique |
|
(10) |
| |
|
|
|
| 10 (9) |
Plants covered with erect hairs; leaflets 5-7, with acute apex, leaflet margin entire or rarely serrate toward apex. |
|
9 T. hirtellum |
| + |
Plants covered with appressed hairs; leaflets 7-11, with long acuminate to caudate-acuminate apex, leaflet margin crenate. |
|
10 T. yunnanense |
| |
|
|
|
| 11 (6) |
Inflorescence minutely pubescent; drupe symmetrical. |
|
11 T. acuminatum |
| + |
Inflorescence glabrous; drupe oblique to symmetrical |
|
(12) |
| |
|
|
|
| 12 (11) |
Shrubs less than 1.5 m tall; inflorescence racemose. |
|
12 T. delavayi |
| + |
Trees or small trees; inflorescence paniculate |
|
(13) |
| |
|
|
|
| 13 (12) |
Inflorescence half as long as pinnately compound leaf; petals not with featherlike venation pattern |
|
(14) |
| + |
Inflorescence equal to pinnately compound leaf in length; petals with featherlike venation pattern |
|
(15) |
| |
|
|
|
| 14 (13) |
Leaflet ovate to ovate-oblong, apex long acuminate to caudate; drupe oblique, compressed, acute apically. |
|
13 T. succedaneum |
| + |
Leaflet oblong-ovate to oblong-lanceolate, apex acuminate; drupe symmetrical to subsymmetrical, not compressed, long beaked. |
|
14 T. rostratum |
| |
|
|
|
| 15 (13) |
Leaflet obovate-elliptic to obovate-oblong, apex acute or acuminate, without apiculum; flower 3-4 mm in diam.. |
|
15 T. grandiflorum |
| + |
Leaflets falcate-lanceolate, apex acuminate, with apiculum; flower less than 2 mm in diam.. |
|
16 T. calcicola |
|
