|
|
|
1. Aspidopterys A. Jussieu ex Endlicher, Gen. Pl. 1060. 1840.
盾翅藤属 dun chi teng shu
Woody lianas or lianoid shrubs. Leaves opposite, entire, eglandular; stipule absent or small and deciduous. Inflorescences paniculate, rarely a raceme or cyme, axillary or terminal; peduncles articulated distally; pedicels usually bracteolate. Flowers 5-merous, bisexual, actinomorphic. Sepals 5, sometimes connate at base, eglandular. Petals 5, yellow or white, not clawed, entire, explanate or recurved. Stamens 10; filaments filiform, free or sometimes connate at base; anthers basifixed. Ovary 3-lobed, lobes abaxially flattened, margins ± winged; styles 3, free; stigma capitate. Samaras 3, often attached by a carpophore, each 3-winged; lateral wings connate forming 1 large wing, orbicular to oblong, membranous or leathery, palmately veined, sometimes shortly crested at middle; abaxial wing well developed or absent. Seeds cylindric, located at center of samara.
About 20 species: tropical Asia; nine species (five endemic) in China.
|
|
|
|
| 1 |
Samara oblong, oblong-lanceolate, or ovate-elliptic, length conspicuously longer than width |
|
(2) |
| + |
Samara orbicular to suborbicular, length slightly longer than or equaling width |
|
(4) |
| |
|
|
|
| 2 (1) |
Lianoid shrubs, not ferruginous pubescent; pedicels ca. 8 mm. |
|
2 A. floribunda |
| + |
Lianas, ferruginous pubescent; pedicels 2-6 mm |
|
(3) |
| |
|
|
|
| 3 (2) |
Pedicels 4-6 mm; ovary sparsely hirsute; samara oblong. |
|
1 A. henryi |
| + |
Pedicels 2-2.5 mm; ovary glabrous; samara ovate-elliptic. |
|
3 A. glabriuscula |
| |
|
|
|
| 4 (1) |
Plant glabrescent; leaf blade abaxially glabrous, base of midrib sometimes puberulent |
|
(5) |
| + |
Plant with a persistent pubescence; leaf blade abaxially tomentose or sericeous pubescent |
|
(7) |
| |
|
|
|
| 5 (4) |
Leaf blade ovate-elliptic to oblong, midrib base abaxially puberulent. |
|
5 A. concava |
| + |
Leaf blade variously subcordate to ovate, midrib base abaxially glabrous |
|
(6) |
| |
|
|
|
| 6 (5) |
Leaf blade 7-12 × 4.5-6 cm; cymose panicles terminal. |
|
9 A. microcarpa |
| + |
Leaf blade 11-25 × 8-15 cm; racemose panicles axillary. |
|
6 A. cavaleriei |
| |
|
|
|
| 7 (4) |
Leaf blade abaxially sericeous pubescent. |
|
8 A. nutans |
| + |
Leaf blade abaxially tomentose |
|
(8) |
| |
|
|
|
| 8 (7) |
Leaf blade ovate to ovate-lanceolate, apex caudate-acuminate. |
|
4 A. esquirolii |
| + |
Leaf blade suborbicular to obcordate, apex retuse-acuminate. |
|
7 A. obcordata |
|
|
|
List of lower taxa
| Related Links (opens in a new window) |
|
Treatments in Other Floras @ www.efloras.org
Other Databases
|
|
|
|
|
|
|
|
|
