目前为止，中国西南野生生物种质资源库共保藏该物种: 种子8份; DNA材料1份; 离体材料14份;

• 科:兰科    Orchidaceae
• 属:钗子股属   Luisia
• 种:钗子股   Luisia morsei

2. Luisia morsei Rolfe, J. Linn. Soc., Bot. 36: 33. 1903. 钗子股 chai zi gu Luisia tonkinensis Schlechter.Stems ascending, to 30 cm, 4-5 mm in diam., rigid, with many distichous leaves. Leaves 9-13 cm × ca. 3 mm, obtuse. Inflorescences 1-3, 5-10 mm, usually 4-6-flowered; floral bracts broadly ovate-triangular, ca. 4 mm, fleshy. Flowers small, opening widely, sepals and petals yellowish green, tinged with purplish brown abaxially and purplish or purplish brown on lip, column purple, anther cap yellow; pedicel and ovary ca. 1 cm, yellowish green. Dorsal sepal elliptic, ca. 5.5 × 3.5 mm, slightly concave, obtuse; lateral sepals obliquely ovate, ca. 7 × 3.5 mm, dorsally carinate-winged toward apex and then becoming a tooth protruding from apex, apex obtuse. Petals subovate, ca. 5 × 3 mm, obtuse; lip 8-9 mm, with a distinct boundary between epichile and hypochile; hypochile embracing column, broader than epichile, slightly concave; epichile nearly reniform-triangular, abaxially with a conic wart, margin ± erose, apex emarginate. Column ca. 3 mm. Fl. Apr-May.Epiphytic on tree trunks in forests; 300-1200 m. SW Guangxi, SW Guizhou, Hainan, S Yunnan [Laos, Thailand, Vietnam].【引自：Flora of China】

茎直立或斜立，坚硬，圆柱形，长达30厘米，粗4-5毫米，具多节和多数互生的叶。叶肉质，斜立或稍弧形上举，圆柱形，长9-13厘米，粗约3毫米，先端钝，基部具1个关节和扩大的鞘；鞘厚革质，抱茎，宿存，长约1厘米。总状花序与叶对生，通常具4-6朵花；花序柄长5-10毫米，粗2-3毫米，基部被数枚鳞片状的鞘；花苞片肉质，宽卵状三角形，长约4毫米，先端近锐尖；花梗和子房黄绿色，长约1厘米；花小，开展，萼片和花瓣黄绿色，萼片在背面着染紫褐色；中萼片椭圆形，稍凹，长5.5毫米，宽3.5毫米，先端钝，具3条脉；侧萼片斜卵形，稍对折并且围抱唇瓣前唇两侧边缘而向前伸，长7毫米，宽约3.5毫米，先端钝，在背面中肋向先端变为宽翅而然后骤然收狭呈尖牙齿状并且伸出先端之外；花瓣近卵形，长5毫米，宽3毫米，先端钝，具3-5条脉；唇瓣长8-9毫米，前后唇的界线明显；后唇围抱蕊柱，比前唇宽，稍凹陷；前唇紫褐色或黄绿色带紫褐色斑点，近肾状三角形，先端凹缺并且其背面具1枚圆锥形的乳突，边缘多少具圆缺刻；蕊柱紫色，长约3毫米；药帽黄色，前端稍收狭为翘起的三角形。花期4-5月。 【引自：中国植物志】