水丝梨Sycopsis sinensis

中文名(Chinese Name):水丝梨
学名(Scientific Name):Sycopsis sinensis Oliv.
英文名(English Common Name):
别名(Chinese Common Name):华水丝梨
异名(Synonym):Distylium formosanum Kaneh.  Sycopsis formosana (Kaneh.) Kaneh. et Hatus.  Sycopsis sinensis var. integrifolia Diels
科属(Family & Genus):金缕梅科(Hamamelidaceae)水丝梨属
形态特征(Description):常绿乔木高14米;嫩枝被鳞垢;老枝暗褐色,秃净无毛;顶芽裸露。叶革质,长卵形或披针形,长5-12厘米,宽2.5-4厘米,先端渐尖,基部楔形或钝;上面深绿色,发亮,秃净无毛,下面橄榄绿色,略有稀疏星状柔毛,通常嫩叶两面有星状柔毛、兼有鳞垢,老叶秃净无毛;侧脉6-7对,在上面干后轻微下陷,在下面不显著;全缘或中部以上有几个小锯齿;叶柄长8-18毫米,被鳞垢。雄花穗状花序密集,近似头状,长1.5厘米,有花8-10朵,花序柄长4毫米,苞片红褐色,卵圆形,长6-8毫米,有星毛;萼筒极短,萼齿细小,卵形;雄蕊10-11个,花丝长1-1.2厘米,纤细,花药长2毫米,先端尖锐,红色;退化雌蕊有丝毛,花柱长3-5毫米,反卷。雌花或两性花6-14朵排成短穗状花序,花序柄长2-4毫米;萼筒壶形,长2毫米,有丝毛,子房上位,有毛,花柱长3-5毫米,被毛。蒴果长8-10毫米,有长丝毛,宿存萼筒长4毫米,被鳞垢,不规则裂开,宿存花柱短,长1-2毫米。种子褐色,长约6毫米。
分布(Distribution):分布于陕西、四川、云南、贵州、湖北、安徽、浙江、江西、福建、台湾、湖南、广东、广西等省区。生于山地常绿林及灌丛中。
用途(Use):
引自中国植物志英文版FOC Vol. 9 Page 27
Sycopsis sinensis Oliver, Hooker’s Icon. Pl. 20: t. 1931. 1890.
水丝梨 shui si li | Hamamelidaceae  | Sycopsis
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.
水丝梨Sycopsis sinensis

水丝梨Sycopsis sinensis

水丝梨Sycopsis sinensis

水丝梨Sycopsis sinensis(责任编辑:徐晔春)

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