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Pakistan | Family List | Papilionaceae

Chesneya Lindl.ex Endl., Gen.Pl. 1275. 1839. Boiss.,Fl.Or.2:199.1872; Ali in Scientist (Karachi) 3(1):1.1959; in Biologia 10:47.1964.

Prostrate herbs, woody at the base. Leaf imparipinnately compound, leaflets entire, stipules foliaceous. Inflorescence a 1-3-flowered peduncled, axillary raceme or umbelloid. Calyx obliquely attached to the pedicel, bilabiate, upper tip composed of 2 fused sepals, lower lip trifid. Vexillum externally pubescent, longer than the keel and the wing. Stamens diadelphous, 9+1, vexillary stamen free, anthers uniform. Ovary sessile, many-ovuled, pubescent, stigma capitate. Fruit eglandular, oblong-linear, continuous inside.

A genus with about 20 species, mainly Central Asian in distribution, represented in Pakistan by 5 species.

1 Flower less than 1 cm long (c. 8 mm long)   Chesneya depressa
+ Flower longer than 1 cm   (2)
2 (1) Two teeth of the upper lip of the calyx c. 1.5-3.0 mm long   (3)
+ Two teeth of the upper lip of the calyx longer than 3 mm   Chesneya cuneata
3 (2) Flowering calyx less than 11-12 mm long, vexillum c. 15-18 mm long   Chesneya parviflora
+ Flowering calyx more than 12 mm long, vexillum more than 24 mm long   (4)
4 (3) Leaf generally more than 25 mm long   Chesneya acaulis
+ Leaf 9-20 mm long   Chesneya crassipes

Lower Taxa

Related Synonym(s):


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