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指甲兰 Aerides falcata

时间:2018-06-25 10:00来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):指甲兰 学名( Scientific Name ): Aerides falcata Lindl. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Aerides falcata var. maurandii Guillaumin Aerides falcata var. leonia
中文名(Chinese Name):指甲兰
学名(Scientific Name):Aerides falcata Lindl.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Aerides falcata var. maurandii Guillaumin  Aerides falcata var. leoniae (Rchb.f.) A.H.Kent  Aerides expansa var. leoniae Rchb.f.  Aerides larpentae Rchb.f.  Aerides leoniae (Rchb.f.) Rchb.f.  Aerides mendelii E.Morren  Aerides siamensis Klinge
科属(Family & Genus):兰科(Orchidaceae)指甲兰属
形态特征(Description):茎粗壮,多少伸长,具数枚二列的叶。叶带状,长20-29厘米,宽2.5-3.7厘米。总状花序疏生数朵花,花直径2-2.5厘米;萼片和花瓣淡白色,上部具紫红色;侧萼片宽卵形,基部完全贴生在蕊柱足上;唇瓣3裂,侧裂片镰状长圆形;中裂片近宽卵形,前半部紫色,后半部白色带紫色斑点和条纹,先端凹缺,基部(距口处)具半圆形的胼胝体,边缘具细齿;距几乎与中裂片平行而弯曲向上,长3-4毫米;蕊柱足长达1厘米或更长;药帽前端收狭成喙状。
分布(Distribution):产云南东南部,生于山地常绿阔叶林中树干上。东南亚也有分布。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 485, 486   
Aerides falcata Lindley & Paxton, Paxt. Fl. Gard. 2: 142. 1851.
指甲兰 zhi jia lan| Orchidaceae  | Aerides
Aerides larpentae H. G. Reichenbach; A. siamensis Klinge.
Stems ± elongate, stout, with several distichous leaves. Leaf blade lorate, 20-29 × 2.5-3.7 cm. Inflorescences racemose, sparsely several flowered. Flowers 2-2.5 cm in diam., whitish, tinged or spotted with purple or purplish red. Dorsal sepal broadly ovate or suborbicular, ca. 12 × 10 mm; lateral sepals broadly ovate, base completely adnate to column foot. Petals smaller than sepals; lip movable, spurred, 3-lobed; lateral lobes falcate-oblong; mid-lobe nearly broadly ovate, ca. 12 × 18 mm, margin erose-denticulate, apex emarginate, base with a suborbicular callus near spur entrance; spur ascending, nearly parallel to mid-lobe, 3-4 mm. Column 3-4 mm, foot ca. 1 cm or more; anther cap narrowed and beaked at apex. Fl. unknown. 2n = 38.
Epiphytic on tree trunks in evergreen broad-leaved forests. SE Yunnan [Cambodia, NE India, Laos, Myanmar, Thailand, Vietnam].





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