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水丝梨Sycopsis sinensis

时间:2018-07-15 21:20来源:未知 作者:徐晔春 点击:
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.) Kan
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.






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