长叶白桐树 chang ye bai tong shu

Erytrochilus longifolius Blume, Bijdr. 616. 1826.

Shrubs or small trees, 2-7 m tall, dioecious. Branchlets gray puberulent. Stipules small; petiole 5-12 cm; leaf blade ovate-oblong or broadly lanceolate, 17-40 × 6-15 cm, membranous, glabrous or abaxially pilose, base cuneate, margin serrulate, apex abruptly acuminate. Male inflorescences 15-22 cm, puberulent; bracts triangular, ca. 1 mm. Male flowers 7-9 per bract; pedicel ca. 3 mm; sepals 3, ca. 3 mm; stamens 35-50; interstaminal glands ca. 1 mm. Female inflorescences 3.5-6 cm, puberulent; bracts triangular, ca. 1 mm. Female flowers 1 per bract; pedicel ca. 1 mm; sepals 3, ovate-triangular, ca. 1 mm, tomentulose; disk cup-shaped, sinuous or lobed; ovary tomentulose; styles 3, ca. 1 mm, papillose. Capsule 3-lobed, ca. 1.5 cm, tomentulose, sutures not conspicuously raised. Seeds globose, 6-7 mm in diam. Fl. and fr. Feb-Nov.

Valleys, river valleys, evergreen forests; 200-1000 m. S Yunnan [Cambodia, NE India, Indonesia, Laos, Malaysia, New Guinea, Thailand, Vietnam].