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伞花卷瓣兰Bulbophyllum umbellatum

时间:2013-10-23 15:58来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):伞花卷瓣兰 学名( Scientific Name ): Bulbophyllum umbellatum Lindl. 英文名( English Common Name ): 别名( Chinese Common Name ): 伞形卷瓣兰 异名( Synonym ): Bulbophyllum tibeticum Rolfe Bulbophyllum saru
中文名(Chinese Name):伞花卷瓣兰
学名(Scientific Name):Bulbophyllum umbellatum Lindl.
英文名(English Common Name):
别名(Chinese Common Name):伞形卷瓣兰
异名(Synonym):Bulbophyllum tibeticum Rolfe  Bulbophyllum saruwatarii Hayata  Phyllorkis umbellata (Lindl.) Kuntze
科属(Family & Genus):兰科(Orchidaceae)石豆兰属
形态特征(Description):根状茎匍匐生根,粗3-4毫米。假鳞茎在根状茎上通常彼此相距1-2厘米,卵形或卵状圆锥形,长1.3-3.5厘米,基部上方粗1-2厘米,顶生1枚叶,基部被鞘腐烂后残存的多数纤维,干后黄褐色带光泽并且具多数纵皱纹状的棱角。叶革质,长圆形,长8-19厘米,中部宽1.3-2.8厘米,先端钝并且凹入,基部楔状收窄,具长1-2厘米的柄。花葶从假鳞茎基部抽出,直立,不高出叶外,长8-12厘米,伞形花序常具2-4朵花;花序柄粗1.5-2毫米,具2枚长约1厘米的筒状鞘;花苞片披针形,长约9毫米,凹的;花梗和子房长2厘米;花暗黄绿色或暗褐色带淡紫色先端;中萼片卵形,凹的,长约9毫米,宽5毫米,先端锐尖,边缘全缘,具5条脉;侧萼片镰状披针形,长15毫米,基部上方宽5毫米并且扭转,而两侧萼片仅基部上侧边缘彼此粘合,其余离生,先端稍钝,基部贴生在蕊柱足上,具5条脉,边缘全缘;花瓣卵形,长7毫米,中部宽5毫米,先端圆钝,边缘全缘,具5条脉;唇瓣浅白色,肉质,舌状,长约5毫米,向外下弯,先端钝,基部近心形;蕊柱粗短,长约2毫米;蕊柱足长5毫米,其分离部分长1.5毫米;蕊柱翅浅绿色,向前扩展呈钝的三角形;蕊柱齿三角形,长1毫米,先端短急尖;药帽半球形,前端稍收窄,全缘。花期4-6月。
分布(Distribution):产台湾、四川、云南、西藏,生于海拔1000-2200米的山地林中树干上。尼泊尔、不丹、印度、缅甸、泰国、越南也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 405, 422, 426  
Bulbophyllum umbellatum Lindley, Gen. Sp. Orchid. Pl. 56. 1830.
伞花卷瓣兰 san hua juan ban lan| Orchidaceae  | Bulbophyllum
Bulbophyllum saruwatarii Hayata; B. tibeticum Rolfe; Cirrhopetalum saruwatarii (Hayata) Hayata; Phyllorkis umbellata (Lindley) Kuntze.
Rhizome creeping and rooting, 3-4 mm in diam. Pseudobulbs often 1-2 cm apart on rhizome, ovoid or ovoid-conic, 1.3-3.5 cm, 1-2 cm in diam., with a terminal leaf. Petiole 1-2 cm; leaf blade oblong, 8-19 × 1.3-2.8 cm, leathery, apex obtuse and emarginate. Scape from base of pseudobulb, erect, 8-12 cm; umbel often 2-4-flowered; peduncle 1.5-2 mm in diam., with 2 tubular sheaths ca. 1 cm; floral bracts lanceolate, ca. 9 mm, concave. Pedicel and ovary ca. 2 cm. Flowers dark greenish yellow or dark brown with purplish apex except whitish lip. Dorsal sepal ovate, concave, ca. 9 × 5 mm, apex acute; lateral sepals falcate-lanceolate, ca. 15 × 5 mm, base adnate to column foot, twisted near base, their lower edges of basal part connate, apex obtuse. Petals ovate, ca. 7 × 5 mm, entire, obtuse-rounded; lip recurved, ligulate, ca. 5 mm, fleshy, base subcordate, apex obtuse. Column ca. 2 mm, stout, with deltoid, rounded wings along lower margins; foot ca. 5 mm, with free part ca. 1.5 mm; stelidia deltoid, ca. 1 mm; anther cap subglobose. Fl. Apr-Jun. 2n = 38.
Tree trunks in forests; 1000-2200 m. SW Guizhou, SW Sichuan, Taiwan, SE Xizang, S and W Yunnan [Bhutan, NE India, Myanmar, Nepal, Thailand, Vietnam].




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