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短柄筒距兰

原图链接 来自植物智

中文名:短柄筒距兰 界:植物界 门:被子植物门 纲:单子叶植物纲 目:微子目 科:兰科 属:筒距兰属 中文学名:Tipularia josephii Rchb. f. ex Lindl.

短柄筒距兰（duǎn bǐng tǒng jù lán，学名：Tipularia josephii Rchb. f. ex Lindl.）是兰科筒距兰属植物，假鳞茎长圆形，近直立，密接，中部有2节。叶未 见，已凋萎，花葶长20厘米以上，花较小；萼片狭长圆状披针形，花期8月。分布于西藏东南部（波密）和锡金。生长于海拔2800米林下。

短柄筒距兰形态特征

假鳞茎长圆形，长5-15毫米，宽4-6毫米，近直立，密接，中部有2节。叶未见，已凋萎。

花葶长20厘米以上。花较小；萼片狭长圆状披针形，长约4毫米，宽约1.5毫米，先端钝；花瓣近线形或狭长圆形，与萼片近等长，宽约1毫米，先端钝；唇瓣长约3.5毫米，从基部3裂；

原图链接 来自植物智

侧裂片近宽卵形，长约1毫米，宽约1.2毫米，边缘多少具不规则齿缺；中裂片舌状，长2-2.2毫米；距纤细，长约7毫米，粗约0.4毫米；

蕊柱长约2.2毫米。花期8月。

分类文献

Tipularia josephii Rchb. f. ex Lindl. in J. Proc. Linn. Soc. Bot. 1: 174. 1857; Hook. f., Fl. Brit. Ind. 5: 708. 1890; King et Pantl. in Ann. Bot. Gard. Calcutta 8: 151. pl. 207. 1898.

Plants 20-38 cm tall. Pseudobulb narrowly cylindric to squat and ovoid, 0.5-1.5 × 0.4-0.6 cm, often connected in tight clumps by a short rhizome, 1- or 2-noded, with a few elongate roots at base. Leaf broadly ovate, 2-7 × 1.5-4 cm, with 3 prominent veins, base rounded or truncate, apex acute; petiole-like base 0.8-3 cm, channeled. Inflorescence sometimes slightly pendulous toward apex, 20-35 cm; peduncle 14-28 cm, with 1 or 2 long tubular sheaths; rachis 6-12 cm, laxly 12-30-flowered; floral bracts deltoid, minute. Flowers spreading horizontally, opening widely, sepals off-white suffused with brownish purple; petals and lip pale green; pedicel and ovary 5-7 mm. Sepals narrowly oblong-lanceolate, 4-5 × ca. 1.5 mm, apex obtuse. Petals linear to narrowly oblong, ca. 4 × 1 mm, apex obtuse; lip narrowly oblong-ovate, ca. 3.5 × 1.5 mm, 3-lobed near base; disk with a pair of small, fleshy oblong calli at mouth of spur; lateral lobes broadly ovate, ca. 1.5 × 1.2 mm, margin irregularly erose, apex obtuse; mid-lobe ligulate, 2-2.2 mm, apex obtuse; spur spreading horizontally or ascending, slender, 6-7 × ca. 0.4 mm, apex acute. Column ca. 2.2 mm; pollinia borne on a distinct stipe. Fl. Aug.

Forests; ca. 2800 m. SE Xizang [Bhutan, NE India, Myanmar, Nepal].

短柄筒距兰生长环境

生长于海拔2800米的林下。

短柄筒距兰分布范围

产自西藏东南部（波密）。锡金也有分布。