Rafnia triflora Thunb.

Erect woody shrub up to 2.4 m high or an erect suffrutex up to 0.7 m high. Leaves lanceolate or elliptic to broadly elliptic or obovate or ovate, penninerved; base round or cordate; leaves on flowering branches 23-50 x 10-34 mm; basal leaves 43-121 x 16-110 mm. Inflorescences single-flowered, 1-3 flowers emerging together from axils. Flowers 16-21 mm long. Pedicel 2-5 mm long. Bract triangular, 1-2 mm long. Bracteoles triangular, 0.5-1 mm long. Calyx lobes ± as long as or longer than the tube, 4-11 mm long; upper lobes falcate or broadly falcate, broader or much broader than the others; lateral lobes triangular or slightly falcate; carinal lobe shorter than or + as long as the others; upper sinus often deeper or much deeper than the others; tube with a ridge between the upper lobes, 5-6 mm long. Standard ovate or elliptic or suborbicular, 13-18 x 13-18 mm, often with basal callosities; claw 3-5 mm long. Wings oblong or elliptic, 13-16 x 5-8 mm, with 5-7 rows of sculpturing; apex narrow or ± obovate; claw 4-6 mm long. Keel shortly rostrate, 12-14 x 6-7 mm; claw 4-6 mm long. Pistil with the ovary oblong; style shorter to longer than the ovary, strongly upcurved; ovules 2; stigma usually glabrous, rarely fibrillose. Pods obliquely lanceolate, 18-33 x 3-8 mm; upper margin proximally slightly convex; lower margin straight. Seeds narrowly to broadly oblong or broadly reniform, 3-5 x 2-4 mm; testa smooth (seeds unknown in Caledon form).

It is a subtropical plant.