蒙蒿子 meng hao zi

Shrubs 1-2 m tall, erect, glabrous except for flowers. Petiole 0.6-2 cm; leaf blade oblong to broadly elliptic, 9-16 × 3-7 cm, membranous, yellowish when dry, secondary veins 7 or 8 on each side of midvein, base rounded, apex acute to obtuse. Inflorescences leaf-opposed, 1- or 2-flowered. Flowers ca. 1.2 cm. Pedicel ca. 6 mm. Sepals rounded to ovate, outside puberulent. Petals greenish; outer petals ovate, slightly longer and ca. 2 × broader than inner petals; inner petals 8-9 × 4-5 mm. Stamens many. Carpels 2-4, ovoid-oblong, puberulent. Monocarp stipes clavate; monocarps 2-3 × 0.5-0.7 cm, dehiscing on dorsal side, apex acute. Seeds reddish when young, shiny dark brown upon maturity, obovate, flat, 8-11 × 6-7 mm. Fl. Jun-Oct, fr. Oct-Jan.

Densely forested slopes; 500-700 m. S Guangxi, Hainan [India, Indonesia, Laos, Myanmar, Philippines, Sri Lanka, Thailand].