Much-branched herbaceous to woody annual or perennial; stems ascending or decumbent, 11–50 cm. long; glabrous or covered with patent or crisped hairs.. Leaves ovate-lanceolate or ovate, 0.4–3.1 cm. long, 0.25–1.3 cm. wide, apex acute, narrowing or rounded at the base, glabrous or with only a few hairs confined to the margins and midrib beneath, or occasionally with shorter sparse hairs all over.. Flowers subsessile, the peduncles and pedicels not exceeding 2 mm.. Calyx-tube 1.6–2.5 mm. long, glabrous or densely hairy; lobes lanceolate to ovate, 3.8–7.2 mm. long, 1.2–3 mm. wide, acute to rostrate, glabrous or with a few hairs on the margin.. Petals yellow, sometimes drying with a maroon spot at the base, ovate, 4–7.1 mm. long, 2.2–5.1 mm. wide, shortly or long apiculate, narrowed at the base, entire to finely crenate or undulate towards the apex, midvein and lateral veins apparent.. Filaments 3.5–6.3 mm. long, hairy, with a conspicuous basal appendage; appendage membranous, ± round, 0.5–1.5 mm. wide, with the top projecting forward and free of the filament, hairy; anthers 1.3–2.8 mm. long.. Style-bases distinctly thickened, not separating for 0.3–0.8 mm. above the disc; styles 4.1–7.6 mm. long, sparsely covered with hairs.. Capsule subglobose, 2.5–3.6 mm. long, glabrous or hairy.. Seeds orange-brown or grey-brown, ovoid, 0.2–0.3 mm. long, indistinctly scalariform or reticulate.
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