Sebaea hymenosepala Gilg

Perennial herbs, usually branched below, erect or straggly, ascending, up to 50 cm high. Leaves 5-12 mm long, 6-15 mm broad, broadly orbicular-ovate to reniform, rounded and apiculate, membranous to slightly coriaceous; the upper ones ovate to triangular-ovate, going over into the reflexed, ovate-lanceolate to lanceolate bracts. Inflorescence usually lax, many-flowered, paniculate-corymbose, or younger inflorescences subdense. Calyx of 5 segments, each 4-9 mm long, 1-3 mm broad, lanceolate to ovate, often elliptic, acute or acuminate, mucronate, the sides hyaline, joined for up to 0.5 mm, keeled or with a wing up to 1.25 mm broad (usually 0.5-0.75 mm), broadest in the lower half. Corolla yellow; tube 5-7.5 mm long; lobes 5-8.5 mm long, 2-4.25 mm broad, oblanceolate to orbicular-ovate, rounded, clawed. Filaments 1-1.5 mm long, inserted in the sinuses; anthers 1.5-3 mm long, their tips recurved, each with a small or conspicuous, sometimes stipitate, apical gland, and sometimes with 2 minute basal glands.