Rudolphia
(named after Charles Asmund Rudolph, 1771-1832, a botanist of Jena). ORD. Leguminosae. A genus comprising two or three species of handsome, stove, twining herbs, confined to St. Dominga. Flowers red, elongated, fasciculate-racemose on axillary peduncles; calyx tubular, the two upper lobes connate, the lateral ones smaller; standard oblong, erect, inappendiculate; bracts and bracteoles small, narrow. Leaves one-foliolate, stipellate. The two species described below are probably not in cultivation. R. rosea (rose-coloured). fl. scarlet, 1/2in. long, in pedunculate racemes. June. Pods pubescent. l., leaflet ovate-oblong, glabrous, acuminated. Branches smooth, glabrous. 1826.
R. volubilis (twining). fl. scarlet, 1 1/2in. long; racemes bearing flowers from the base. July. l. glabrous, cordate-ovate, acuminate. Branches dotted from tubercles. 1820.