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金叶含笑Michelia foveolata

时间:2013-10-15 13:39来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):金叶含笑 学名( Scientific Name ): Michelia foveolata Merr. ex Dandy 英文名( English Common Name ): 别名( Chinese Common Name ): 亮叶含笑 异名( Synonym ): Michelia foveolata var. cinerascens Law et Y. F
中文名(Chinese Name):金叶含笑
学名(Scientific Name):Michelia foveolata Merr. ex Dandy
英文名(English Common Name):
别名(Chinese Common Name):亮叶含笑
异名(Synonym):Michelia foveolata var. cinerascens Law et Y. F. Wu  Michelia fulgens Dandy  Michelia longistyla Law et Y. F. Wu  Michelia oblongifolia Chang et B. L. Chen  Michelia aenea Dandy  Magnolia foveolata (Merr. ex Dandy) Figlar  Michelia foveolata var. xiangnanensis C. L. Peng et C. H. Yan
科属(Family & Genus):木兰科(Magnoliaceae)含笑属
形态特征(Description):乔木,高达30米,胸径达80厘米;树皮淡灰或深灰色;芽、幼枝、叶柄、叶背、花梗、密被红褐色短绒毛。叶厚革质,长圆状椭圆形,椭圆状卵形或阔披针形,长17-23厘米,宽6-11厘米,先端渐尖或短渐尖,基部阔楔形,圆钝或近心形,通常两侧不对称,上面深绿色,有光泽,下面被红铜色短绒毛,侧脉每边16-26条,末端纤细,直至近叶缘开叉网结,网脉致密;叶柄长1.5-3厘米,无托叶痕。花梗直径约5毫米,具3-4苞片脱落痕;花被片9-12片,淡黄绿色,基部带紫色,外轮3片阔倒卵形,长6-7厘米,中、内轮倒卵形,较狭小;雄蕊约50枚,长2.5-3厘米,花药长1.5-2厘米,花丝深紫色,长0.7-1厘米;雌蕊群长2-3厘米,雌蕊群柄长1.7-2厘米,被银灰色短绒毛;雌蕊长约5毫米,心皮长约3毫米,狭卵圆形,仅基部与花托合生;胚珠约8枚。聚合果长7-20厘米;蓇葖长圆状椭圆体形,长1-2.5厘米。花期3-5月,果期9-10月。
分布(Distribution):产贵州、湖北、湖南、江西、广东、广西、海南、云南。生于海拔500-1800米的阴湿林中。越南北部也有。模式标本采自广东英德。越南也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 7 Page 51, 79, 86
Michelia foveolata Merrill ex Dandy, J. Bot. 66: 360. 1928.
金叶含笑 jin ye han xiao| Magnoliaceae  | Michelia
Magnolia foveolata (Merrill ex Dandy) Figlar; Michelia aenea Dandy; M. foveolata var. cinerascens Y. W. Law & Y. F. Wu; M. foveolata var. xiangnanensis C. L. Peng & L. H. Yan; M. fulgens Dandy; M. longistyla Y. W. Law & Y. F. Wu; M. oblongifolia Hung T. Chang & B. L. Chen.
Trees, to 30 m tall, to 80 cm d.b.h. Bark pale gray to dark gray. Young twigs, buds, petioles, leaf blade abaxial surfaces, and brachyblasts densely reddish brown, brown, or white tomentulose. Petiole 1.5-3 cm, without a stipular scar; leaf blade oblong-elliptic, elliptic-ovate, or narrowly ovate, 17-23 × 6-11 cm, thickly leathery, abaxially coppery to gray tomentulose, adaxially deep green and glossy, secondary veins 16-26, ends slender, divaricate, and netted near margin, reticulate veins dense, base broadly cuneate, obtuse, or subcaudate and usually asymmetrical, apex acuminate to shortly acuminate. Brachyblasts ca. 5 mm in diam., with 3 or 4 bract scars. Tepals 9-12, pale yellowish green, base purplish; outer 3 tepals broadly obovate, 6-7 cm; tepals of middle and inner whorls obovate, narrower and smaller. Stamens ca. 50, 2.5-3 cm; filaments dark purple, 7-10 mm; anthers 1.5-2 cm. Gynophore 1.7-2 cm, silvery tomentulose; gynoecium 2-3 cm; carpels ca. 5 mm; ovaries narrowly ovoid, ca. 3 mm, adnate to torus at base; ovules ca. 8 per carpel. Fruit 7-20 cm; mature carpels long ellipsoid, 1-2.4 cm. Fl. Mar-May, fr. Sep-Oct. 2n = 38.
Evergreen broad-leaved forests, wet places; 500-1800 m. Fujian, Guangdong, S Guangxi, SE Guizhou, Hainan, W Hubei, Hunan, Jiangxi, SE Yunnan [N Vietnam].




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