毛叶黄杞 mao ye huang qi

Engelhardia colebrookeana Lindley in Wallich, Pl. Asiat. Rar. 3: 4. 1832; E. esquirolii H. Léveillé; E. pterococca Roxburgh ex Kuntze var. colebrookeana (Lindley) Kuntze; E. spicata var. integra (Kurz) Grierson & Long; E. villosa Kurz var. integra Kurz.

Trees to 7(-20) m tall. Leaves 15-25 cm; petiole 2-6 cm; petiole and rachis tomentose, rarely glabrescent; leaflets 4-10, petiolule to 1 cm or leaflets rarely sessile, blade broadly elliptic-ovate or broadly elliptic-obovate to long elliptic, 7-15 × 3-7 cm, abaxially tomentose or rarely glabrescent, base oblique, broadly cuneate or rounded, apex obtuse or sometimes acute. Fruiting spike 13-18 cm, densely pubescent. Nutlets globose, 4-6 mm, hispid; wings hispid at base, middle wing 1.9-3 cm, lateral wings 1-1.5 cm. Fl. Jan-Apr, fr. Mar-Aug(-Oct). 2n = 32.

Open forests on mountain slopes or in valleys; near sea level to 1400(-2000) m. Guangdong, Guangxi, Guizhou, Hainan, Xizang, Yunnan [India, Myanmar, Nepal, Philippines, Sikkim, Thailand, Vietnam].