叉唇万代兰Vanda cristata

中文名(Chinese Name):叉唇万代兰
学名(Scientific Name):Vanda cristata Lindl.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Vanda striata Rchb.f.  Luisia striata (Rchb.f.) Kraenzl.  Aerides cristata (Wall. ex Lindl.) Wall. ex Hook.f.  Aerides cristatum (Lindl.) Wall. ex Hook.
科属Family & Genus):兰科(Orchidaceae)万代兰属
形态特征Description):茎直立,长达6厘米,连叶鞘粗8毫米,具数枚紧靠的叶。叶厚革质,二列,斜立而向外弯,带状,中部以下多少V字形对折,长达12厘米,宽约1.3厘米,先端斜截并且具3个细尖的齿。花序腋生,直立,2-3个,长约3厘米,具1-2朵花;花序柄基部具2-3枚黄绿色的鞘;花苞片黄绿色,长6毫米;花梗和子房黄绿色,长3厘米,子房具棱;花无香气,开展,质地厚;萼片和花瓣黄绿色,向前伸展;中萼片长圆状匙形,长2.5-3厘米,宽约9毫米,先端钝;侧萼片披针形,与中萼片等大,先端钝,多少围抱唇瓣的两侧而并列前伸,在背面中肋龙骨状突起;花瓣镰状长圆形,长2.4-2.8毫米,宽约5毫米,先端稍尖;唇瓣比萼片长,3裂;侧裂片卵状三角形,背面黄绿色,内面具污紫色斑纹,先端钝;中裂片近琴形,长约2厘米,上面白色带污紫色纵条纹,背面两侧为污紫色,其余黄绿色,先端叉状2深裂,裂片先端常又稍2裂;距宽圆锥形,长约5毫米;蕊柱白色,长8毫米,药帽黄色。花期5月。
分布(Distribution):产云南、西藏。生于海拔700~1650米的常绿阔叶林中树干上。印度、尼泊尔至西喜马拉雅的热带地区也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 472, 473   
Vanda cristata Lindley, Gen. Sp. Orchid. Pl. 216. 1833.
叉唇万代兰 cha chun wan dai lan| Orchidaceae  | Vanda
Aerides cristata (Lindley) Wallich ex J. D. Hooker.
Stems 6-18 cm, 0.6-0.8 cm in diam. Leaf blade 7.5-15 × 0.6-1.8 cm, thickly leathery, apex praemorse. Inflorescences 2 or 3, 3-4.5 cm, 1- or 2-flowered; peduncle 2-3.5 cm; rachis weakly zigzag, 0.5-5 cm; floral bracts broadly ovate, 4-6 × 2-4 mm, apex obtuse-acute. Flowers thickly textured, widely opening, 3.5-5 cm in diam.; pedicel and ribbed ovary yellowish green, 1.5-3 cm; sepals and petals yellowish green, not tessellated. Dorsal sepal oblong-spatulate, 20-30 × 5-9 mm, base cuneate, apex obtuse-acute; lateral sepals lanceolate, 20-30 × 5-10 mm, base cuneate, apex obtuse. Petals falcate-oblong, 18-28 × 2-5 mm, base contracted, apex acute; lip golden yellow to white, striped with violet-purple to red-brown, ca. as long as or longer than sepals, fleshy, spurred; lateral lobes erect, abaxially yellowish green, adaxially with dull purple stripes, ovate-triangular, 2-4 × 2-5 mm, apex obtuse; mid-lobe abaxially yellowish green with dull purple margins, adaxially white with dull purple longitudinal stripes, ovate to subpandurate, 11-20 × 4-5 mm, apex cleft sometimes with short point in sinus; disk rugulose with 2 slender elongated processes on apical margin; spur broadly conic, 6-9 mm. Column white, 4-8 mm; anther cap yellow, 3-3.5 mm wide. Fl. May. 2n = 28, 38, 76.
On tree trunks in evergreen broad-leaved forests; 700-1700 m. SE Xizang, SW Yunnan [Bhutan, India, Nepal, N Vietnam].
叉唇万代兰Vanda cristata

叉唇万代兰Vanda cristata

叉唇万代兰Vanda cristata(责任编辑:徐晔春)

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