列叶盆距兰(中国高等植物图鉴)
Gastrochilus distichus (Lindl.) Kuntze, Rev. Gen. Pl. 2: 661. 1891; Tuyama in H. Hara, Fl. East. Himal. 1: 435. 1966 et 2: 187. 1971; 中国高等植物图鉴5: 772. 图8374. 1976; 西藏植物志5: 787. 图426. 1987; Z. H. Tsi in Guihaia 16 (2): 144. 1996. ——Saccolabium distichum Lindl. in J. Linn. Soc. Bot. 3: 36. 1859; Hook. f., Fl. Brit. Ind. 6: 64. 1890; King et Pantl. in Ann. Roy. Bot. Gard. Calcutta 8: 227, pl. 303. 1898; S. Y. Hu in Quart. J. Taiwan Mus. 28 (1, 2) 150. 1975.
On tree trunks in forests; 1100-2800 m. SE Xizang, W Yunnan [Bhutan, NE India, Nepal]. | ||
Stems pendulous, usually 1.5-20 cm, ca. 2 mm in diam., slender, often branched. Leaves many, distichous; blade lanceolate or falcate-lanceolate, 1.5-3 × 0.4-0.6 cm, apex acute and with 2 or 3 awns. | ||
. Inflorescences several, opposite to leaves, subumbellate, 2-4-flowered; peduncle 1-3 cm, slender, upper part enlarged, lower part with 2 cupular sheaths; floral bracts ovate-lanceolate, 1-2 mm; pedicel and ovary ca. 8 mm. Flowers pale green, with reddish brown spots. Sepals similar, usually concave, oblong-elliptic, 4.5-5 × 2.5-3 mm, apex obtuse. Petals subobovate, slightly smaller than sepals, apex obtuse; lip with an epichile and a saccate hypochile; epichile nearly suborbicular, ca. 3 × 5 mm, adaxially glabrous, with a central cushion, near base with 2 conic calli, entire, obtuse at apex; hypochile subcupular, ca. 4 mm tall, 2-3 mm in diam., apex rounded. Column ca. 2.5 mm; anther cap narrowed into a beak toward apex. Fl. Jan-May. 2n = 38. | ||