矮山兰Oreorchis parvula

中文名(Chinese Name):矮山兰
学名(Scientific Name):Oreorchis parvula Schltr.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):兰科(Orchidaceae)山兰属
形态特征(Description):假鳞茎长圆形至椭圆形,长1-2厘米,宽8-10毫米,有节,多少被撕裂成纤维状的鞘。叶1枚,生于假鳞茎顶端,狭椭圆状披针形或狭长圆形,长8-11厘米,宽1.3-2厘米,先端渐尖,基部逐渐收狭成柄;叶柄长1-2厘米。花葶从假鳞茎侧面发出,长12-16厘米,直立,中下部有2-3枚筒状鞘;总状花序长2.5-4厘米,具7-12朵花;花苞片卵状披针形或披针形,长约3毫米;花梗和子房长2-2.5毫米;花蜡黄色;萼片狭长圆状披针形,长6-7毫米,宽1.5-2毫米,先端钝;侧萼片略斜歪;花瓣舌状披针形,长5-6毫米,宽约1.5毫米,略镰曲;唇瓣轮廓为倒卵形,长约5毫米,基部有短爪;从下部2/5处3裂;侧裂片舌状,长不及1毫米,先端钝;中裂片近卵圆形,长约2毫米,边缘稍波状;唇盘基部有2条纵褶片,纵褶片多少合生;蕊柱长约2.5毫米,稍向前弯曲。花期5-7月。
分布(Distribution):产四川西南部(马边、稻城、雷波)和云南西北部(丽江、中甸)。生于林下或开旷草坡上,海拔3000-3800米。
用途(Use):
引自中国植物志英文版:FOC Vol. 25 Page 246, 247   
Oreorchis parvula Schlechter, Repert. Spec. Nov. Regni Veg. 10: 483. 1912.
矮山兰 ai shan lan| Orchidaceae  | Oreorchis
Plants 8-16 cm tall. Pseudobulb oblong to ellipsoid, 1-2 × 0.8-1 cm, several noded. Leaf solitary, narrowly elliptic-lanceolate to narrowly oblong, plicate, 8-11 × 1.3-2 cm, gradually tapering at base into a petiole-like stalk 1-3 cm, apex acuminate. Inflorescence 7-16 cm, with 2 or 3 tubular sheaths below middle; rachis 2-4 cm, densely 7-12-flowered; floral bracts ovate-lanceolate or lanceolate, ca. 3 mm. Flowers yellow, outer surfaces of sepals chestnut and lip cream-colored with red-purple spots; pedicel and ovary 2-2.5 mm. Sepals narrowly oblong-lanceolate, 6-7 × 1.5-2 mm, apex obtuse; lateral sepals somewhat falcate. Petals ligulate-lanceolate, slightly falcate, 5-6 × ca. 1.5 mm, apex obtuse; lip obovate, ca. 5 × 2 mm, shortly clawed at base, 3-lobed below middle; lateral lobes ligulate, less than 1 mm, apex obtuse; mid-lobe subovate, 2-2.5 × 1.8-2 mm, margin slightly undulate, apex obtuse; disk with a pair of longitudinal lamellae at base and extending onto mid-lobe; lamellae ca. 2 mm. Column slightly arcuate, ca. 2.5 mm. Capsule ovoid, 5-8 mm. Fl. May-Jul.
● Forests, open grassy slopes; 3000-3800 m. SW Sichuan, NW Yunnan.
矮山兰Oreorchis parvula

矮山兰Oreorchis parvula

矮山兰Oreorchis parvula(责任编辑:徐晔春)

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