Stathmostelma

Perennial herbs with annual stems growing from a vertical tuberous rootstock. Stems 1-several, branched or unbranched, erect or ascending, hairless or minutely pubescent. Milky latex present. Leaves opposite. Inflorescence terminal and/or extra-axillary, pedunculate, erect umbels. Corolla deeply 5-lobed, rotate or strongly reflexed. Corona lobes arising from the base of the staminal column erect and somewhat fleshy; the margin usually with a pair of teeth arching over the staminal column. Anthers wings curved, with or without a twisted basal tail. Follicles single, erect, ovoid to fusiform. Pedicel not twisted.

Stathmostelma is a genus of plants in the family Apocynaceae, first described as a genus in 1893. It is native to Africa.

Species Stathmostelma angustatum K.Schum. - Ethiopia Stathmostelma fornicatum (N.E.Br.) Bullock - Malawi Stathmostelma gigantiflorum K. Schum. - Tanzania Stathmostelma incarnatum K.Schum. - Angola, S Zaire Stathmostelma nomadacridum Bullock - Tanzania Stathmostelma pauciflorum K.Schum. - Mozambique Stathmostelma propinquum (N.E.Br.) Schltr. - E Africa Stathmostelma rhacodes K.Schum. - E Africa Stathmostelma spectabile (N.E.Br.) Schltr. - E Africa Stathmostelma welwitschii Britten & Rendle - Angola Stathmostelma wildemanianum T.Durand & H.Durand - C Africa formerly included S. crassinerve, syn of Asclepias crassinervis S. nuttii, syn of Asclepias nuttii S. pedunculatum, syn of Asclepias aurea S. verdickii, syn of Asclepias stathmostelmoides