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Genus :


Family :


Species of this Genus


Climbers or scandent shrubs. Leaves simple, alternate, entire or lobed. Flowers bisexual, minute, in axillary or terminal umbellate cymes. Sepals 5, free or connate at the base. Petals 5, hooded, with a concave claw, appendages 2-fid. Stamens 5, free above, opposite the petals, staminodes 5, opposite the sepals, anthers 2-3 locular, extrorse. Ovary sessile, 5-locular, each locule with 2 ovules, styles 5-lobed. Fruit a globose capsule, more or less echinate, septicidally 5-valved. Seeds wingless, solitary.

Key to the species

Serial Key Reference
1a. Leaves entire, puberrulus,cordate-oblong; capsule prickly B. aspera
1b. Leaves lobed or angled, pilose on both surfaces; capsule bristly B. pilosa