Brachystelma R.Br.

Geophytic perennial herbs with a single tuber; latex absent. Stems erect. Leaves sessile or petiolate, herbaceous, glabrous or with scattered to dense hairs; colleters usually absent. Inflorescence umbelliform. Corolla rotate, campanulate to funnel-shaped; tube rarely longer than lobes, tubular, campanulate; lobes free at tips, valvate. Annular and corolline coronas absent; gynostegial corona both staminal and interstaminal; staminal with lobes incumbent on backs of anthers; interstaminal variously shaped, usually cupular and partially fused to staminal corona lobes. Stamens connate into gynostegium, not markedly capitate. Anthers 2-locular, lacking terminal appendage; pollen in linear tetrads; pollinaria with 2 subquadrate, horizontal or erect pollinia with pellucid germinating mouth on inner margin; corpusculum ovate; caudicles winged, not geniculate. Style-head depressed-globose. Follicles fusiform. Seeds flattened, ovate, comose at micropylar end.