1. Clethraceae (桤叶树科)
2. Clethra (桤叶树属)
3. Clethra barbinervis (髭脉桤叶树)

学名(拉丁名)	Clethra barbinervis
中文名	髭脉桤叶树
命名人	S. et Z.
中文科名	桤叶树科
拉丁属名	Clethra
类型	species
拉丁科名	Clethraceae
中文属名	桤叶树属

Trees or shrubs, 1–9 m tall, deciduous. Petiole 0.6–2.4 cm; leaf blade ovate, lanceolate-ovate, elliptic, oblanceolate, or obovate, 5.2–11 × 2.8–4.8 cm, papery, abaxially appressed pilose or glabrous on major veins and often stellate-tufted in secondary vein axils, glabrous elsewhere, and reticulations dark brown but not raised, base attenuate to cuneate or occasionally obtuse to subrounded, margin sharply serrate nearly throughout or basal 1/4–1/3 entire, teeth 22–39 per side on larger leaves and 1–4 mm apart, apex acuminate; secondary veins (8–)11–14 on each side of midvein. Racemes or raceme branches (1–)3–8 per twig, 5–17 cm, grayish brown or brown stellate-tomentose but sometimes sparsely so, thickest rachis on each twig basally 0.8–1.7 mm in diam.; bracts linear-subulate, 3–6 mm. Pedicel 1.5–5.5 mm at anthesis. Sepals ovate, 2–3(–3.8) × 1.2–1.6 mm, outside densely white stellate-tomentose and surface (visible through pubescence) usually medially blackened, midvein usually indistinct at anthesis, apex obtuse. Petals white, 3–4 × 2–2.9 cm, outside smooth, inside glabrous, margin thickened and apically fimbriate. Stamens 4–5.3 mm, exserted; filaments glabrous or occasionally sparsely pilose; anthers 1.3–2 mm. Style 1.5–3.5 mm at anthesis, glabrous, apex 3-lobed to shallowly 3-cleft. Fruiting pedicel 4–9 mm. Ovary and capsule apically hirsute with longer hairs 0.7–1.1 mm; persistent style 3–5 mm. Fl. Jun–Aug, fr. Sep–Nov. 2n = 32.

Open deciduous montane forests, ± dry places; 800–1800 m. Anhui, Fujian, Hubei, Hunan, Jiangxi, Shandong (Lao Shan), Zhejiang [Japan, Korea].

Clethra barbinervis
Family Name:	Clethraceae	Genera name:	Clethra
Species name:	barbinervis	Genera status:
NLR:		Comments: