Description from Flora of China
Millettia cauliflora (Hemsley) Gagnepain.
Shrubs, 2-4 m tall. Stems rusty tomentose, glabrescent, rough with round traces of fallen leaves. Buds covered with many subulate 1.3-1.9 cm cataphylls. Stipules falcate, 2-2.5 cm, persistent. Leaves (19-)23- or 25-foliolate; rachis to 50 cm, including petiole ca. 10 cm; stipels subulate 2-2.5 cm; leaflet blades oblong to ovate-oblong, 4-12 × 2.5-3 cm, abaxially densely pubescent, base rounded, apex acuminate. Pseudoracemes 15-40 cm, thick, straight, usually 2 or 3 together; branchlet nodes wartlike, with 3-6(-10) flowers; bracts and bracteoles minute. Flowers 1.1-1.3 cm. Corolla roseate to purple. Legume clavate, 7-10 × 2-2.5 cm, glabrescent, apex shortly beaked. Seeds 1 or 2 per legume, dark brown, orbicular, ca. 1 cm. Fl. May-Sep, fr. Jun-Dec. 2n = 22*.
● Thickets on hills; near sea level to 500 m. Guangdong, Guangxi, SW Guizhou.