小唇盆距兰（新拟）
Gastrochilus pseudodistichus (King et Pantl.) Schltr. in Fedde Repert. Sp. Nov. 12: 315. 1913; Seidenf. in Opera Bot. 95: 286, fig. 185. 1988; Averyanov, Vasc. Pl. Syn. Vietnam., Fl. 1: 100. 1990; Seidenf., l. c. 114: 439. 1992; Averyanov, Inden Guide Vietnam. Orch.: 391. 1994; Z. H. Tsi in Guihaia 16 (2): 143. 1996. ——Saccolabium pseudodistichum King et Pantl. in J. As. Soc. Beng. 64 (3): 341. 1895, et in Ann. Roy. Bot. Gard. Cal cutta 8: 229, pl. 305. 1898.——Saccolabium distichum auct. non Lindl.: Hook. f. in Ann. Roy. Bot. Gard. Calcutta 5: 49, pl. 73. 1895, p. p. ——S. hoyppse Rolfe ex Downie in Kew Bull.: 387. 1925.
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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Stems pendulous or creeping, to 28 cm, ca. 2 mm in diam., slender, sometimes branched, internodes 6-7 mm. |
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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. |
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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. |
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