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