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Erect suffrutex or soft-stemmed shrub, probably perennial, c. 0–75 m. tall, branched mainly at the base with subvirgate branches, with spreading partly glandular hairs; stems terete, ultimately glabrescent, with a faintly wrinkled bark.
Mericarps c. 6 mm. long, triquetrous, the sharp somewhat raised lateral angles with a small subulate tooth in the middle, the back faintly longitudinally carinate and transversely ridge-veined.
Epicalyx of 10–13 (often 11) bracts; bracts 15–21 mm. long, nearly free, green, filiform-setaceous with sparse setaceous bulbous-based hairs and shorter glandular and eglandular hairs.
Calyx free to 1–2 mm. from the base, pubescent outside; lobes 5–6 mm. long, ovate-lanceolate to lanceolate, acute, ciliate, indistinctly 3-nerved.
Flowers yellow, solitary, mainly in the upper leaf-axils, pedicels up to 4 cm. long, elongating to 6 cm. in fruit.
Petals 20–25 mm. long, glabrous or stellate-puberulous.
Seeds very minutely puberulous.
Staminal tube glabrous.
