Sebaea exacoides Schinz

Slender, erect, annual herbs 5-30 cm high; stems simple or rarely branched. Leaves 4-25 mm long, 3-18 mm broad, ovate-cordate to ovate-elliptic, cordate at the base, usually acute or acuminate, sometimes obtuse. Inflorescence corymbose, lax, 1-many-flowered; cymes 1-several-flowered; bracts ovate to lanceolate, acuminate. Calyx of 5 segments, each 6-14 mm long, 1.5-4.5 mm broad, lanceolate to ovate-lanceolate, acuminate-mucronate, the sides hyaline, joined for 0.5-1.5 mm, with a semi-cordate keel-wing 1-4 mm broad at the base, reticulately veined, its margins papillose. Corolla yellow or cream-coloured; tube 6-20 mm long, narrowly cylindric up to the insertion of the filaments, then campanulate; lobes 6-18.5 mm long, 3-7 mm broad, obovate to elliptic, clawed, acute or subacute, apiculate, entire or subentire. Filaments extremely short, inserted 0.75-4 mm below the corolla-sinuses; anthers 1.25-2.75 mm long; each with a sessile apical and 2 small, sometimes stipitate, basal glands. Style and stigma 16 mm long with a large stigmatic swelling below the middle; stigma clavate, 2-lobed or ligulate.