All Floras      Advanced Search
Page 226 Login | eFloras Home | Help
Pakistan | Family List | Papilionaceae

Rhynchosia , Fl. Cochinch. 460. 1790. (conserved name); Baker in Hook.f., Fl. Brit. Ind. 2:220. 1876; Cooke, Fl. Bomb. Pres. (reprint ed,) 1:412. 1958; Parker, For. Fl. Punj. 3rd. ed. 163. 1956.

Climbing, prostrate or sometimes erect herbs or subshrubs. Leaf pinnately trifoliolate; leaflets conspicuously gland-dotted below, stipules present, stipels small. Inflorescence axillary or terminal; racemose or paniculate. Bracts present, bracteoles absent. Calyx lobes unequal, upper 2 jointed. Vexillum with small auricles, pubescent or glabrous. Stamens diadelphous, 9+1, vexillary stamen free, anthers uniform. Ovary 1-2-ovuled, style pubescent below, incurved, stigma terminal. Fruit oblong, compressed, 1-2-seeded.

A genus with about 150 species, distributed mainly in the warmer parts of the world, represented by 7 species in Pakistan.

1 Vexillum glabrous externally   (2)
+ Vexillum pubescent externally   (3)
2 (1) Inflorescence umbellate, fruit less than 1.5 cm long (1.0-1.3 cm), not transversely striated   Rhynchosia capitata
+ Inflorescence an elongated raceme, fruit more than 1.5 cm (2.5-3.0 cm), not transversely striated   Rhynchosia himalensis
3 (1) Vexillum 1 cm or more long   (4)
+ Vexillum 4-6.5 mm long   (5)
4 (3) Erect shrub, petiole 1.2-3.8 cm long, leaflets whitish on lower side   Rhynchosia pseudo-cajan
+ Twining undershrub, petiole 5-10 cm long, leaflets not whitish on the lower side   Rhynchosia rothii
5 (3) Leaflets truncate to retuse, fruit more than 7 mm (c. 9 mm) broad   Rhynchosia schimperi
+ Leaflets not truncate or retuse, fruit less than 7 mm broad   (6)
6 (5) Leaflets mostly acute, pubescent above, punctate below (not silky), glands orange to black in colour   Rhynchosia minima
+ Leaflets silky on both sides, glands yellow, sometimes almost contiguous   Rhynchosia pulverulenta

Lower Taxa

Related Synonym(s):


Related Objects  

Flora of China  
  • Rhynchosia (PDF)
  • PDF

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |