南川盆距兰  转到中国兰科植物志

Gastrochilus nanchuanensis  分类来源:中国植物志

南川盆距兰(新拟) 

Gastrochilus nanchuanensis Z. H. Tsi in Guihaia 16 (2): 149, fig. 2 (f-k). 1996. 

On tree trunks in dense forests; ca. 1200 m. Chongqing (Nanchuan).

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Stems creeping, 4-7 cm, ca. 2 mm in diam., internodes 4-5 mm. Leaves many, distichous; blade green, with purple-red spots, ovate or elliptic, 1.3-1.6 × 0.6-0.9 cm, apex acute and 3-lobed. 

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Inflorescence subumbellate, 2- or 3-flowered; peduncle 5-7 mm, lower part with 2 cupular sheaths; floral bracts ovate, ca. 1 mm, apex acute; pedicel and ovary ca. 9 mm. Flowers yellow, with purplish red spots, not widely opening. Sepals similar, elliptic, concave, ca. 4.2 × 3.5 mm, apex obtuse. Petals similar to sepals, ca. 4.1 × 2.9 mm, apex obtuse; lip with an epichile and a saccate hypochile; epichile nearly suborbicular or reniform, ca. 3 × 6 mm, adaxially densely shortly hairy, with a central cushion extending to hypochile, apex subtruncate and deeply 2-lobed; hypochile subconic, dorsiventrally compressed, ca. 3.3 mm tall, ca. 4.2 mm in diam., apex rounded. Column very short; anther cap narrowed and beaked at apex. Fl. Dec.

 

本种近何氏盆距兰 Gastrochilus hoii T. P. Lin, 但花不甚开展,前唇先端2裂,裂片彼此交叠;后唇较短而宽,易于区别。

 

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