狭叶羊耳蒜 Liparis perpusilla
Liparis perpusilla J. D. Hooker, Hooker’s Icon. Pl. 19: ad t. 1856b. 1889.
Leptorkis perpusilla (J. D. Hooker) Kuntze; Liparis togashii Tuyama & H. Hara; Platystyliparis perpusilla (J. D. Hooker) Margońska.
Herbs, epiphytic. Pseudobulbs tufted, ovoid or oblong, 2-3 cm × 1-2 mm. Leaves 4 or 5, linear, 10-15 × 1-2 mm, apex acute. Inflorescence erect, 2-4 cm; rachis 5-10-flowered; floral bracts ovate-lanceolate, 2-3 mm. Flowers yellow; pedicel and ovary 3-4 mm. Dorsal sepal suboblong, 1.1-1.3 × 0.4-0.5 mm, 1-veined, apex obtuse; lateral sepals elliptic-oblong, 1-1.2 × 0.6-0.7 mm, 1-veined, apex obtuse. Petals linear or narrowly lanceolate, 1-1.1 × 0.1-0.2 mm, apex obtuse; lip ± reflexed, suborbicular, ca. 1.1 × 0.9 mm, basal margins crisped, apex obtuse-rounded, sometimes slightly mucronate; disk with a U-shaped callus near base and 2 divergent calli at base of U-shaped callus. Column ca. 1 mm, with 2 wings on ventral sides. Fl. Jul. 2n = 30.
On tree trunks in forests; ca. 2800 m. SW Yunnan (Weixi) [Bhutan, India (Sikkim), Nepal].
生于海拔约2800m的林中树干上。
地理分布：云南省、不丹、印度和尼泊尔。 |
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附生草本，假鳞茎簇生，卵形或椭圆形，长2.0～3.0cm，宽0.1～0.2cm。叶4～5枚，线形，长1.0～1.5cm，宽O.1～0.2cm。 |
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花序直立、长2.0～4.0cm，具5～10朵花。花黄色;中萼片近长圆形，长1.1～1.3mm、宽O.4～0.5mm；侧萼片椭圆状长方形，长1.0～1.2mm，宽0.6～0.7mm；花瓣线形或窄的披针形，长1.0～1.1mm，宽0.1～0.2mm；唇瓣略反折，近圆形，长约1.1mm，基部边缘卷曲，先端钝圆形或稍具短尖；唇盘近基部具1枚马蹄形胼胝体，马蹄形胼体基部还具有2枚分离的胼胝体。蕊柱长约0.1cm，具2个翅。
花期7月。 |
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