Description from Flora of China
Stachyurus yunnanensis Franchet var. obovatus Rehder, J. Arnold Arbor. 11: 165. 1930.
Shrubs or small trees, evergreen, 1-4 m tall. Bark gray or gray-brown. Petiole 5-10 mm; leaf blade obovate or obovate-elliptic, abruptly narrowing below middle, 5-8 × 2-3.5 cm, leathery or subleathery, both surfaces glabrous, midvein conspicuously raised abaxially, slightly raised adaxially, lateral veins 5-7-paired, conspicuous abaxially, base attenuate and cuneate, margin serrate above middle, apex long caudate-acuminate. Spikes 5-8-flowered, 1-2 cm; peduncles 3-5 mm. Flowers yellowish green, pedicels 2-4 mm; bract persistent, triangular, ca. 1.5 mm, apex acute; bracteoles median, ovate, ca. 2 mm. Sepals ovate, ca. 2 mm. Petals obovate, 5.5-7 × 2-5 mm, apex obtuse. Ovary narrowly ovoid, puberulous; style ca. 3 mm; stigmas ovoid. Fruit globose, 6-7 mm in diam., slightly puberulous. Fl. Apr-May, fr. Aug.
The pedicels in fruit appear to be articulated because of the scars left by the bracteoles.
● Evergreen broad-leaved forests on mountain slopes, forest margins; 500-2000 m. Chongqing, N Guizhou, Sichuan, NE Yunnan (Suijiang).