5. Pygeum laxiflorum Merrill ex H. L. Li, J. Arnold Arbor. 26: 64. 1945.
疏花臀果木 shu hua tun guo mu
Trees 7–20 m tall. Bark dark gray. Branchlets blackish brown to dark purplish brown, pubescent when young, glabrescent, with prominent small lenticels. Winter buds ovoid, 2–4 mm, brown pubescent, apex obtuse to acute. Petiole 6–10 mm, glabrous or sparsely pubescent; leaf blade ovate-lanceolate to lanceolate, 7–10 × 2–3.5 cm, papery to subleathery, abaxially paler, glabrous or slightly pubescent when young, glabrescent, and with or without 2 flat nectaries near base, adaxially greenish brown and glabrous, base cuneate, margin entire, apex acuminate to caudate-acuminate; secondary veins 5–8 on either side of midvein, slender, abaxially slightly raised. Racemes axillary, solitary or to 3 in a fascicle, 1.5–4 cm, with loose flowers; rachis and pedicels brown pubescent, glabrescent or with persistent hairs; bracts small, soon caducous. Flowers 1–3 mm in diam. Pedicel 1–3 mm. Hypanthium campanulate to obconic, ca. 2 × 3 mm, outside brown pubescent. Sepals 5, triangular-ovate, 0.5–1 mm, outside brown pubescent, apex acute to shortly acuminate. Petals 5, oblong, slightly longer than sepals but sometimes resembling them, apex obtuse. Stamens 15–25, 4–6 mm, glabrous. Ovary glabrous. Style ca. 3 mm. Drupe dark purplish brown, compressed ovoid-globose to transversely shortly oblong, 7–10 × 9–12 mm, glabrous. Fl. Aug–Oct, fr. Nov–Dec.
Forests on stream banks, foothills; 100--700 m. Guangdong, Guangxi.