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Pakistan | Family List | Papilionaceae | Canavalia

Canavalia virosa (Roxb.) Wight & Arn., Prodr. Fl. Pen. Ind. Or. 1:253. 1834. Sauer in Brittonia 16:152.1964; Verdc. in Milne; Redhead & Polhill,Fl.Trop.E.Afr. (Leguminosae 4) 573.1971.

  • Canavalia ensiformis var. virosa (Roxb.) Baker
  • Dolichos polystachios Forsk.
  • Dolichos virosus Roxb.

    Perennial climber or trailer. Stem oppressed pubescent when young. Leaf trifoliolate, petiole 4-16 cm long; Leaflets 6-18 cm long, 3.5-15 cm broad, ovate, obtuse to acuminate, pubescent on both surfaces; petiolule 7-10 mm long; stipules c. 2 mm long. Inflorescence a peduncled raceme, peduncle 12-28 cm long; pedicel c. 2 mm long; bracteoles c. 1 mm long. Calyx pubescent, tube 6-9 mm long; upper lip 4-5 mm long, rounded or emarginate. Vexillum mauve with white veins, 2.7-3.0 cm long. Fruit 10-17 cm long, 2.5-3 cm wide, linear-oblong, each valve with a sutural rib and an extra rib below this, densely brown pubescent.

    Fl.Per.: August-October.

    Lectotype: India, Roxburgh drawing 2085 (K).

    Distribution: Widespread in Tropical Africa from Angola, S.Africa and West Africa to S. Arabia, Socotra, India, rare in Pakistan; occasionally cultivated.


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