Sebaea membranacea A.W.Hill

Slender, erect, simple or branched annual herbs up to 15 cm high. Leaves up to 1.6 cm long and 9 mm broad, ovate-elliptic to ovate, subacute. Inflorescence corymbose; cymes few-flowered; bracts more or less foliaceous, or the upper ones linear-subulate. Calyx of 5 segments, each 4.5-5 mm long, about 1 mm broad, lanceolate, acuminate, the sides hyaline, joined for 0.5-1.25 mm, strongly keeled or very narrowly winged. Corolla yellow; tube 3-4.75 mm long; lobes 1.5-2.25 mm long, 0.5-0.75 mm broad, triangular-elongate to oblong, rounded. Filaments very short, inserted 0.25-0.5 mm below the corolla-sinuses; anthers 0.6-0.75 mm long, each with a small, round, stipitate apical and 2 bigger stipitate basal glands. Style and stigma 1-1.5 mm long with a very small swelling below the stigma and almost confluent with it; stigma small, capitate or linear-oblong, 2-lobed.