凹脉红淡比 ao mai hong dan bi

Adinandra incornuta (Y. C. Wu) T. L. Ming.

Shrubs or trees, 4-10(-18) m tall. Young branches grayish brown; current year branchlets yellowish brown, slightly 2-ribbed, glabrous; terminal buds long conic, glabrous. Petiole 1-1.5 cm, glabrous; leaf blade narrowly elliptic to oblanceolate-elliptic, 6.5-10 × 2.5-3.5 cm, leathery, abaxially pale green and sparsely dark reddish brown glandular punctate, adaxially dark green, both surfaces glabrous, midvein abaxially elevated and adaxially slightly impressed, secondary veins 8-12 on each side of midvein and obscure on both surfaces or adaxially slightly impressed, base cuneate, margin serrulate to sparsely serrate, apex acuminate to shortly acuminate. Flowers axillary, solitary or to 3 in a cluster. Pedicel 1.5-2 cm, glabrous; bracteoles caducous. Sepals ovate, ca. 4 × 4 mm, margin ciliolate, apex rounded and with a retuse tip. Petals white, obovate-oblong, 9-11 × 5-6 mm, margin ciliolate, apex rounded. Stamens ca. 25, 6.5-9 mm; anthers oblong, 2-2.5 mm, with filiform trichomes, connective exserted. Ovary globose, glabrous, 3-loculed with many ovules per locule; style ca. 6 mm, apically 3-lobed. Fruit purplish black when mature, globose, 8-10 mm in diam.; pedicel 1.5-2 cm; persistent style 6-7 mm. Seeds compressed globose, more than 10 per locule. Fl. May-Jul, fr. Sep-Oct.

● Forests in valleys or on mountaintops; 100-1800 m. NE Guangdong, Guangxi, NE Guizhou, E and S Hunan, W Jiangxi, SE Yunnan.