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

15. Gastrochilus pseudodistichus (King & Pantling) Schlechter, Repert. Spec. Nov. Regni Veg. 12: 315. 1913.

小唇盆距兰 xiao chun pen ju lan

Saccolabium pseudodistichum King & Pantling, J. Asiat. Soc. Bengal, Pt. 2, Nat. Hist. 64: 341. 1895; Gastrochilus hoyopse (Rolfe ex Downie) Seidenfaden & Smitinand; S. hoyopse Rolfe ex Downie.

Stems pendulous or creeping, to 28 cm, ca. 2 mm in diam., slender, sometimes branched, internodes 6-7 mm. Leaves distichous, green, with purplish red spots; blade ovate-lanceolate or oblong, 1.5-2.7 × 0.5-0.6 cm, apex acute and with 2 or 3 awns. Inflorescence subumbellate, 5- or 6-flowered; peduncle green, with purplish red spots, 1-2 cm, upper part enlarged, often with 2 sheaths at base; floral bracts ovate-lanceolate, 1-2 mm; pedicel and ovary ca. 1 cm. Flowers yellow, with purplish red marks or spots. Sepals similar, oblanceolate-oblong, ca. 3.5 × 1.8 mm, apex obtuse. Petals subobovate, slightly smaller than sepals, apex obtuse; lip with an epichile and a saccate hypochile; epichile nearly suborbicular, concave, narrower than hypochile, ca. 2 mm wide, thickly fleshy, adaxially glabrous, entire, obtuse at apex; hypochile cupular, ca. 3 mm tall, ca. 4 mm in diam. Column ca. 2 mm; anther cap narrowed, beaked at apex. Fl. Jun. 2n = 38.

On tree trunks in forests, on branches in thickets; 1000-2500 m. SE to W Yunnan [Bhutan, NE India, N Thailand, N Vietnam].


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