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金线兰 Anoectochilus roxburghii

时间:2018-06-25 08:51来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):金线兰 学名( Scientific Name ): Anoectochilus roxburghii (Wall.) Lindl. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): 科属( Family Genus ): 兰科(Orchidaceae)开唇兰属
中文名(Chinese Name):金线兰
学名(Scientific Name):Anoectochilus roxburghii (Wall.) Lindl.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):兰科(Orchidaceae)开唇兰属
形态特征(Description):植株高8-18厘米。根状茎匍匐,伸长,肉质,具节,节上生根。茎直立,肉质,圆柱形,具(2-)3-4枚叶。叶片卵圆形或卵形,长1.3-3.5厘米,宽0.8-3厘米,上面暗紫色或黑紫色,具金红色带有绢丝光泽的美丽网脉,背面淡紫红色,先端近急尖或稍钝,基部近截形或圆形,骤狭成柄;叶柄长4-10毫米,基部扩大成抱茎的鞘。总状花序具2-6朵花,长3-5厘米;花序轴淡红色,和花序梗均被柔毛,花序梗具2-3枚鞘苞片;花苞片淡红色,卵状披针形或披针形,长6-9毫米,宽3-5毫米,先端长渐尖,长约为子房长的2/3;子房长圆柱形,不扭转,被柔毛,连花梗长1-1.3厘米;花白色或淡红色,不倒置(唇瓣位于上方);萼片背面被柔毛,中萼片卵形,凹陷呈舟状,长约6毫米,宽2.5-3毫米,先端渐尖,与花瓣粘合呈兜状;侧萼片张开,偏斜的近长圆形或长圆状椭圆形,长7-8毫米,宽2.5-3毫米,先端稍尖;花瓣质地薄,近镰刀状,与中萼片等长;唇瓣长约12毫米,呈Y字形,基部具圆锥状距,前部扩大并2裂,其裂片近长圆形或近楔状长圆形,长约6毫米,宽1.5-2毫米,全缘,先端钝,中部收狭成长4-5的爪,其两侧各具6-8条长约4-6毫米的流苏状细裂条,距长5-6毫米,上举指向唇瓣,末端2浅裂,内侧在靠近距口处具2枚肉质的胼胝体;蕊柱短,长约2.5毫米,前面两侧各具1枚宽、片状的附属物;花药卵形,长4毫米;蕊喙直立,叉状2裂;柱头2个,离生,位于蕊喙基部两侧。花期(8-)9-11(-12)月。
分布(Distribution):产我国中南部,生于海拔50~1600米的常绿阔叶林下或沟谷阴湿处。日本及东南亚也有。
用途(Use):全草民间作药用。
引自中国植物志英文版:FOC Vol. 25 Page 77, 79      
Anoectochilus roxburghii (Wallich) Lindley, Ill. Bot. Himal. Mts. 368. 1839.
金线兰 jin xian lan| Orchidaceae  | Anoectochilus
Chrysobaphus roxburghii Wallich, Tent. Fl. Napal. 37. 1826; Anoectochilus yungianus S. Y. Hu; Zeuxine roxburghii (Wallich) M. Hiroe.
Plants 8-20 cm tall. Stem erect, 2-5-leaved. Leaves abaxially pale purplish red, adaxially dark green to blackish purple with pinkish golden reticulate venation, ovate to ovate-orbicular, 1.3-4.5 × 0.8-3.6 cm, apex acute; petiole-like base and tubular sheath 0.6-1.8 cm. Peduncle 7-15 cm, with 2 or 3 pinkish sterile bracts; rachis 1-5 cm, 2-10-flowered; floral bracts pinkish, ovate-lanceolate to lanceolate, 6-9 mm, shorter than ovary, apex acuminate. Flowers usually erect, not resupinate; ovary and pedicel narrowly cylindric, not twisted, 10-15 mm, pubescent. Sepals pinkish, outer surface pubescent, 1-veined; dorsal sepal ovate, cymbiform, ca. 6 × 2.5-3 mm, apex acuminate; lateral sepals spreading, oblong to oblong-elliptic, 7-8 × 2.5-3 mm, apex subacute. Petals pinkish white, ovate-elliptic, strongly oblique, 7-8 × 2-2.5 mm, 1-veined, apex acuminate; lip pinkish white, Y-shaped, 10-16 mm; hypochile 2-4 mm; mesochile reflexed at right angle from apex of hypochile, 4-5 mm; flanges 6-8-laciniate, each filament 2.5-6 mm; epichile longitudinally dilated, 2-lobed; lobes diverging at an acute angle to one another, obovate-oblong to spatulate, entire, 5.5-8 × 1.5-2.2 mm, apex obtuse; spur conic, 3-4.5 mm, apex shallowly bilobed, mouth ca. 1.5 mm in diam., containing 2 irregular, fleshy calli near entrance. Column ovoid, ca. 2.5 mm, with 2 broad, lamellate wings; stigma lobes elliptic. Fl. Aug-Dec. 2n = 15 + 2-3B, 30.
Evergreen broad-leaved forests, damp valleys; 100-1600 m. Fujian, Guangdong, Guangxi, Hainan, Hunan, Jiangxi, Sichuan, SE Xizang, Yunnan, Zhejiang [Bangladesh, Bhutan, India, Japan, Laos, Nepal, Thailand, Vietnam].




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