倒缨木 dao ying mu

Paravallaris macrophylla Pierre ex Hua, Bull. Soc. Bot. France 51: 272. 1904; Kibatalia anceps (Dunn & R. Williams) Woodson; P. yunnanensis Tsiang & P. T. Li; Trachelospermum anceps Dunn & R. Williams; Vallaris anceps (Dunn & R. Williams) C. E. C. Fischer; V. arborea C. E. C. Fischer.

Trees to 15 m tall. Branchlets slightly compressed when young, terete when older, glabrous. Petiole 1-1.5 cm; leaf blade oblong or elliptic, 11-38 X 4-13 cm, base rounded to cuneate, abaxial surface glabrous or glabrescent; lateral veins 13-21 pairs, at a right angle to midvein. Cymes 4-7 cm, 3-12-flowered; peduncle 0.3-1.5 cm. Pedicel 1.5-3 cm, straight and slender at anthesis, curved and thick in fruit. Corolla white, salverform; tube 1.1-1.3 cm, cylindric, throat villous; limb campanulate; lobes oblong, 1.2-1.4 cm, puberulent on both surfaces. Filaments with a pair of dorsal swellings; anthers exserted; disc cup-shaped, fleshy, apex 5-lobed. Ovary ovoid, puberulent. Style cylindric, 0.9-1.2 cm. Follicle very narrowly ellipsoid, 8-24 cm 7-9 mm. Seeds narrowly ellipsoid, flat, 1.5-2 cm 2.5-3 mm, beak ca. 4 cm, coma 1.5-4.5 cm. Fl. Apr-Sep, fr. Sep-Dec.

Montane forests, stream banks, valleys, roadsides; 200-700 m. S Yunnan (Xishuangbanna, Hekou, Zhenkang, Chengjiang) [Cambodia, Laos, Myanmar, Thailand, Vietnam].