Shrubs erect or scandent. Leaves exstipulate, petiolate, odd-pinnate, rarely 1-foliolate; lateral leaflets usually very oblique. Inflorescences axillary, racemose or paniculate, fascicled or very short and densely glomerate; bracts lanceolate, small, pubescent. Flowers bisexual, 5-merous; pedicel slender. Sepals 5, erect, imbricate, enlarged in fruit, base not connivent, apex barbate. Petals 5, strap-shaped, circinate in bud, much longer than sepals, apex acute. Stamens ca. 10, all fertile, alternately longer and shorter, those opposite sepals often longer; filaments cylindric, connate at base or free, glabrous; anthers dorsifixed. Carpels usually 5, hirsute abaxially, glabrous adaxially. Style slender; stigma capitate, 2-lobed. Follicle sessile, cylindric or ellipsoid, glabrous, dehiscing by an adaxial slit, apex mucronate. Seed 1; aril adnate to base; endosperm absent.