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禾叶贝母兰 Coelogyne viscosa

时间:2013-10-23 16:55来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):禾叶贝母兰 学名( Scientific Name ): Coelogyne viscosa Rchb. f. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Coelogyne graminifolia Parish et Rchb. f. Pleione graminifoli
中文名(Chinese Name):禾叶贝母兰
学名(Scientific Name):Coelogyne viscosa Rchb. f. 
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Coelogyne graminifolia Parish et Rchb. f.  Pleione graminifolia (E.C.Parish & Rchb.f.) Kuntze  Pleione viscosa (Rchb.f.) Kuntze
科属(Family & Genus):兰科(Orchidaceae)贝母兰属
形态特征(Description):根状茎粗壮,粗6-8毫米,密被革质、有光泽的鞘。假鳞茎在根状茎上相距1-1.5厘米,卵形或圆柱状卵形,长5-6厘米,粗1-3.5厘米,干后常为亮黄色,有光泽,顶端生2枚叶,基部具数枚鞘;鞘干后如竹箨,长4-7厘米,背面有紫褐色斑块。叶线形,禾叶状,革质,长30-40厘米,宽8-12毫米,先端钝,基部略收狭,无明显的叶柄。花葶连同幼嫩的假鳞茎和叶从靠近老假鳞茎基部的根状茎上发出,较短,扁圆柱状,下部约有2/3为鞘所包;总状花序具2-4朵花;花苞片早落;花梗和子房长约1.5厘米;花白色,仅唇瓣带褐色与黄色斑;中萼片长圆形,长约2.3厘米,宽约7毫米,先端钝;侧萼片稍狭,宽约5毫米,背面稍龙骨状;花瓣与侧萼片相似;唇瓣卵形,长约2厘米,宽约1. 5厘米,3裂;侧裂片近半卵形,直立,先端钝;中裂片近卵形,长7-8毫米,宽约5毫米,先端渐尖;唇盘上有3条纵褶片,从基部延伸至中裂片的下部,中央的1条略短;褶片上均有皱波状缺刻;蕊柱稍向前弓曲,长约1.2厘米,两侧有翅;翅向上渐宽,在上部一侧宽约1. 5毫米。蒴果近倒披针状长圆形或狭倒卵状长圆形,长3.2-3.8厘米,宽7-11毫米;果柄长9-12毫米。花期1月,果期9-11月。
分布(Distribution):产云南。生于海拔1500~2000米林下岩石上。东南亚也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 317, 324   
Coelogyne viscosa H. G. Reichenbach, Allg. Gartenzeitung. 24: 218. 1856.
禾叶贝母兰 he ye bei mu lan| Orchidaceae  | Coelogyne
Coelogyne graminifolia E. C. Parish & H. G. Reichenbach; Pleione graminifolia (E. C. Parish & H. G. Reichenbach) Kuntze; P. viscosa (H. G. Reichenbach) Kuntze.
Rhizome stout, 6-8 mm in diam., with dense, leathery, shiny sheaths. Pseudobulbs 1-1.5 cm apart on rhizome, often bright yellow when dried, ovoid or terete-ovoid, 5-6 × 1-3.5 cm, vernicose, with 2 leaves at apex and several sheaths at base; sheaths abaxially mottled with purplish brown, 4-7 cm, leathery. Leaf blade linear, grasslike, 30-40 × 0.8-1.2 cm, leathery, base slightly contracted, without distinct petiole, apex obtuse. Inflorescence proteranthous, compressed cylindric, relatively short, basal 2/3 embraced by sheaths; rachis 2-4-flowered; floral bracts caducous; pedicel and ovary ca. 15 mm. Flowers white, tinged with brown and with yellow spots on lip. Dorsal sepal oblong, ca. 23 × 7 mm, apex obtuse; lateral sepals slightly narrower, ca. 5 mm wide, abaxially slightly keeled. Petals similar to lateral sepals; lip ovate, ca. 20 × 15 mm, 3-lobed; lateral lobes erect, nearly subovate, apex obtuse; mid-lobe subovate, 7-8 × ca. 5 mm, apex acuminate; callus with 3 crisped-incised, longitudinal lamellae, extending from base of lip to ca. 1/3 way on mid-lobe, median lamella slightly shorter. Column slightly arching, ca. 12 mm, winged on both sides; wings widened toward column apex, ca. 1.5 mm wide on one side in upper part. Capsule suboblanceolate-oblong or narrowly obovoid-oblong, 3.2-3.8 × 0.7-1.1 cm; fruiting pedicel 9-12 mm. Fl. Sep-Nov. 2n = 40.
On rocks in forests; 700-2000 m. S and SW Yunnan [NE India, Laos, Malaysia, Myanmar, Thailand, Vietnam].


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