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Genus :


Family :



Climbers or shrubs, usually armed with recurved or straight spines. Leaves simple, alternate, petiolate. Inflorescence supra-axillary, paniculate, 3-flowered cymes, bracts persistent, ovate, brightly coloured, adnate to the pedicels. Flowers bisexual. Perianth connate, funnel-form, 5-6 lobed, rose or yellow. Stamens 4-10, unequal, filaments shortly connate at the base. Ovary fusiform, stipitate, styles lateral, stigmas fimbriate. Fruits cylindric or clavate, 5-ribbed. Seeds with curved embryo, cotyledons convolute, enclosing the endosperm.


Key to the species

Serial Key Reference
1a. Stem densely tomentose; leaves pubescent B. spectabilis
1b. Stem glabrous; leaves glabrous B. glabra