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FOC | Family List | FOC Vol. 10 | Fabaceae

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


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