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FOC | Family List | FOC Vol. 25 | Orchidaceae | Gastrochilus

11. Gastrochilus yunnanensis Schlechter, Repert. Spec. Nov. Regni Veg. Beih. 4: 76. 1919.

云南盆距兰 yun nan pen ju lan

Gastrochilus monticola (Rolfe ex Downie) Seidenfaden & Smitinand; Saccolabium monticola Rolfe ex Downie; S. yunnanense (Schlechter) S. Y. Hu.

Stems elongate, to 20 cm, 4-7 mm in diam., internodes 1.5-2 cm. Leaves distichous, well spaced; blade ligulate or oblong, 6-16.5 × 1.5-2.5 cm, apex long acuminate and with 2 or 3 awns. Inflorescence subumbellate, 4-15-flowered; peduncle 1.5-5.5 cm, rigid, base with 1 or 2 sheaths; floral bracts ovate-triangular, 1-2 mm; pedicel and ovary ca. 1 cm. Flowers small; sepals and petals pale yellow, tinged brownish at apex; lip white, with yellowish white and sparsely purple-red spotted cushion on epichile and purple-red spots near entrance of hypochile. Sepals similar, ligulate-oblong, 5-7 × 2.7-3.5 mm, apex obtuse. Petals similar to sepals, narrower; lip with an epichile and a saccate hypochile; epichile broadly triangular, ca. 2.5 × 5 mm, adaxially with papillate yellow and slightly purplish red spotted central cushion, margin lacerate-erose; hypochile nearly subglobose, ca. 5 mm tall, ca. 5 mm in diam. Column short. Fl. Oct.

On tree trunks in dense forests; ca. 1500 m. S Yunnan [Bangladesh, N Thailand, N Vietnam].


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