水丝梨 shui si li

Distylium formosanum Kanehira; Sycopsis formosana (Kanehira) Kanehira & Hatusima; S. sinensis var. integrifolia Diels.

Trees to 14 m tall; young branches lepidote, older growth drying dark brown, glabrous. Petiole 0.8–1.8 cm; leaf blade narrowly ovate or lanceolate, 5–12 × 2.5–4 cm, discolorous, abaxially sparsely stellately pubescent, glabrescent, adaxially shiny, stellately pubescent when young, soon glabrous, base cuneate or obtuse, margin entire or distally serrulate, apex acuminate; lateral veins 6 or 7 on each side. Inflorescences 7- or 8-flowered. Floral bracts brown, ovate-rounded, 6–8 mm, stellately pubescent. Male flowers: floral cup short, reduced pistil pubescent. Bisexual flowers: floral cup 1.7–2 mm, pubescent. Sepals ovate. Filaments slender, 1–1.2 cm; anthers red, 1.8–2 mm, apex acute. Ovary pubescent; styles 5 mm, coiled backwards. Capsules 8–10 mm, villous, dehiscing irregularly; persistent floral cup 3–4 mm; persistent styles 1–2 mm. Seeds 5–7 mm. Fl. Apr–Jun, fr. Jul–Sep.

Mountain thickets, evergreen forests; 1300--1500 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Shaanxi, Sichuan, Taiwan, Yunnan, Zhejiang.Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Shaanxi, Sichuan, Taiwan, Yunnan, Zhejiang.