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飞蛾槭Acer oblongum

时间:2013-07-15 16:42来源:未知 作者:徐晔春 点击:
飞蛾槭,Acer oblongum,飞蛾树




中文名(Chinese Name):飞蛾槭
学名(Scientific Name):Acer oblongum Wall. ex DC.
英文名(English Common Name):
别名(Chinese Common Name):飞蛾树
异名(Synonym):Acer discolor Maxim.;Acer oblongum var. concolor Pax;Acer oblongum var. latialatum Pax;Acer oblongum var. trilobum Henry;Acer eucalyptoides Fang et Wu;Acer guanense W. P. Fang;Acer paxii var. integrifolia H. Lév.;Acer buergerianum subsp. formosanum (Hayata ex Koidz.) E.Murray & Lauener;Acer buzimpala Buch.-Ham. ex D.Don;Acer itoanum (Hayata) H.L.Li;Acer laurifolium D.Don;Acer litseifolium Hayata;Acer nepalense Dippel;Acer oblongifolium Dippel;Acer oblongum f. concolor (Pax) Schwer.;Acer oblongum f. glaucum Schwer.;Acer oblongum f. microcarpum (Hiern) Schwer.;Acer oblongum var. itoanum Hayata;Acer oblongum var. laosianum Lecomte;Acer oblongum var. membranaceum Banerji;Acer oblongum var. microcarpum Hiern;Acer trifidum var. integrifolium Makino;Euacer laevifolium Opiz 
科属(Family & Genus):槭树科(Aceraceae)槭树属
形态特征(Description):常绿乔木,常高10米,稀达20米。树皮灰色或深灰色,粗糙,裂成薄片脱落。小枝细 瘦,近于圆柱形;当年生嫩枝紫色或紫绿色,近于无毛;多年生老枝褐色或深褐色。冬芽小,褐色,近于无毛。叶革质,长圆卵形,长5-7厘米,宽3-4厘米,全缘,基部钝形或近于圆形,先端渐尖或钝尖;下面有白粉;主脉在上面显著,在下面凸起,侧脉6-7对,基部的一对侧脉较长,其长度约为叶片的1/3-1/2,小叶脉显著,成网状;叶柄长2-3厘米,黄绿色,无毛。花杂性,绿色或黄绿色,雄花与两性花同株,常成被短毛的伞房花序,顶生于具叶的小枝;萼片5,长圆形,先端钝尖,长2毫米;花瓣5,倒卵形,长3毫米;雄蕊8,细瘦,无毛,花药圆形;花盘微裂,位于雄蕊外侧;子房被短柔毛,在雄花中不发育,花柱短,无毛,2裂,柱头反卷;花梗长1-2厘米,细瘦。翅果嫩时绿色,成熟时淡黄褐色;小坚果凸起成四棱形,长7毫米,宽5毫米;翅与小坚果长约1.8-2.5厘米,宽8 毫米,张开近于直角;果梗长1-2厘米,细瘦,无毛。花期4月,果期9月。
分布(Distribution):产陕西南部、甘肃南部、湖北西部、四川、贵州、云南和西藏南部。生于海拔1000-1800米的阔叶林中。尼泊尔、印度也有分布。
用途(Use):
引自中国植物志英文版FOC Vol. 11 Page 533, 537
Acer oblongum Wallich ex Candolle, Prodr. 1: 593. 1824.
飞蛾树 fei e shu| Aceraceae  | Acer
Trees to 20 m tall, andromonoecious. Bark gray, gray-brown, or blackish gray, rough, scaly. Branchlets slender, those more than 1 year old brown or dark brown, glabrous; winter buds small, glabrescent. Leaves persistent; petiole 2-5 cm, slender, glabrous; leaf blade abaxially whitish glaucous, adaxially green, elliptic, elliptic-oblong, oblong-ovate, or lanceolate, 5-17 × 2.5-5 cm, leathery, smooth, adaxially glabrous, veins usually 3 at base, basal veins usually 1/3-1/2 width of blade, lateral veins 6 or 7 pairs, base cuneate, obtuse, nearly rounded, or truncate, margin entire, apex acuminate. Inflorescence terminal on leafy branchlets, corymbose, pubescent. Pedicel 1-2 cm, pubescent. Sepals 5, oblong. Petals 5, yellowish green, obovate. Stamens 8, glabrous. Disk slightly lobed, extrastaminal. Ovary pubescent; style short, glabrous; stigmas recurved. Fruiting pedicel 2-3 cm, slender, glabrous. Fruit brownish yellow when mature or purplish; nutlets strongly convex, ca. 7 × 3-5 mm; wing yellow, including nutlet 1.8-2.5 cm × ca. 8 mm, wings spreading variously. Fl. unknown, fr. Oct. 2n = 26, 52.
Mixed forests, valleys; 1000-1800 m. NW Fujian, S Gansu, Guangdong, Guizhou, SW Henan, W Hubei, Jiangxi, S Shaanxi, Sichuan, S Xizang, Yunnan [Bhutan, N India, S Japan, Kashmir, Laos, Myanmar, Nepal, Pakistan, Thailand, Vietnam].
(责任编辑:徐晔春)
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