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

12. Gastrochilus acinacifolius Z. H. Tsi, Bull. Bot. Res., Harbin. 9(2): 25. 1989.

镰叶盆距兰 lian ye pen ju lan

Stems ± compressed terete, usually 8-11 cm, 4-5 mm in diam., internodes ca. 1 cm. Leaves distichous; blade usually falcate-oblong, 7-14 × 1-2 cm, apex acute and with 2 short awns. Inflorescences 1 or 2, almost opposite to leaf, subumbellate, several flowered; peduncle 1-1.5 cm, upper part enlarged, with 2 or 3 cupular sheaths at base; floral bracts deltoid, 1-2 mm, subfleshy; pedicel and ovary ca. 1 cm. Flowers widely opening; sepals and petals pale yellow with purplish red spots; lip white, with yellow and purple-red spotted cushion on epichile. Sepals similar, obovate-spatulate, 6-7 × 3-4 mm, apex obtuse. Petals similar to sepals, smaller, apex obtuse; epichile white, transversely oblong or oblate, adaxially sparsely papillate-hairy except on central cushion, margin irregularly denticulate; hypochile nearly subglobose, ca. 5 mm tall, ca. 5 mm in diam., outside with 3 ridges. Column ca. 3 mm; anther cap narrowed toward apex. Fl. Sep-Dec.

● On tree trunks in forests; ca. 1000 m. Hainan.

This species was treated as Saccolabium intermedium in Fl. Hainan. (4: 258. 1977).


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