乳突梾木 ru tu lai mu

Swida papillosa (W. P. Fang & W. K. Hu) W. P. Fang & W. K. Hu.

Trees ca. 5 m tall. Young branches light green, with sparse yellowish white soft trichomes; old branches deep brown, glabrous, with rounded or elliptic lenticels. Leaves opposite; leaf blade abaxially gray, elliptic to oblong-elliptic, 8–12 × 4–7 cm, papery, abaxially with dense papillae, blackish streaks and appressed (or flat) trichomes, axils of veins often with clusters of light yellow long trichomes, veins 7–9, small veins conspicuous, base cuneate or broadly cuneate, apex ± cuspidate. Corymbs 5–9 cm wide, sparsely pubescent with light yellowish white short trichomes. Pedicels 1–5.5 mm. Flowers white, ca. 7 mm in diam. Calyx lobes ovate to linear-triangular, 0.6–0.8 mm, equal to or longer than disk. Petals oblong-lanceolate, 3–4.5 × 0.9–1.7 mm. Stamens longer than petals; anthers yellow, ovoid-oblong. Style cylindrical, slightly expanded at apex, ca. 3.4 mm; stigma compressed capitulate, broader than style, slightly 3- or 4-lobed. Fruit black, globose, ca. 3 mm in diam.; stones globose, vertically compressed, ca. 2.7 × 1.8 mm. Fl. Jun, fr. unknown.

Forests; ca. 3000 m. Sichuan, Yunnan.