|
|
82. Clitoria Linnaeus, Sp. Pl. 2: 753. 1753.
蝶豆属 die dou shu
Authors: Ren Sa & Michael G. Gilbert
Perennial herbs or subshrubs, twining. Leaves pinnately 3-7-foliolate; stipules and stipels persistent. Inflorescence axillary, 1- or 2-flowered. Flowers large and beautiful; bracts paired, stipulelike, persistent; bracteoles similar to bracts or slightly larger, or sometimes leaflike. Calyx membranous, tubular, 5-lobed; lobes lanceolate or triangular, equal to or shorter than tube. Corolla longer than calyx; standard large, almost applanate or sometimes cucullate, abaxially minutely hairy, base clawed, without auricles; wings and keels much shorter. Stamens diadelphous; vexillary stamen free, or ± connate; anthers uniform. Ovary with stipe, with sheathing disk at base; ovules many; style complanate, long, curved, interior with beard. Legume stipitate, linear or linear-oblong, dehiscent, compressed or inflated, filled with soft tissue but not septate. Seeds subglobose or ellipsoid, compressed; hilum small, central or subcentral, strophiole absent.
About 70 species: tropics and subtropics of the world; five species (one introduced) in China.
|
|
1 |
Leaves 5-7-foliolate; bracteoles almost circular, membranous. |
|
1 C. ternatea |
+ |
Leaves 3-foliolate; bracteoles ovate-lanceolate or elliptic, leathery |
|
(2) |
|
|
|
|
2 (1) |
Erect or almost erect shrublets; petiole 0.5-2.5 cm |
|
(3) |
+ |
Climbing shrublets or vines; petiole (1.5-)2-11.5 cm |
|
(4) |
|
|
|
|
3 (2) |
Lateral veins of leaflet 5-7 pairs; legume inflated, each valve with a raised midrib; corolla light purple. |
|
2 C. laurifolia |
+ |
Lateral veins of leaflet 9-12 pairs; legume compressed, without ribs; corolla white or light yellow. |
|
3 C. hanceana |
|
|
|
|
4 (2) |
Corolla light blue; legume without ribs. |
|
4 C. mariana |
+ |
Corolla often absent, when present white; legumes longitudinally ribbed. |
|
5 C. falcata |
|
|
Lower Taxa
Related Links (opens in a new window) |
Treatments in Other Floras @ www.efloras.org
Other Databases
|
|
|
|
|
|
|