宽瓣钗子股（中国野生兰彩色图谱）
Luisia ramosii Ames in J. Soc. Bot. (Philip.) 6: 55. 1911; Seidenf. in Dansk Bot. Ark. 27 (4): 45, fig. 21. 1971; Z. H. Tsi, S. C. Chen et K. Mori, Wild Orch. China: 105. pl. 220. 1997; 中国兰花全书: 63. 1998.
Hainan ( Lingshui and other places ), southwest to northwest Guangxi ( Longzhou, Tian 'e, Daxin ).Epiphytic on tree trunks in open forests along valleys; 100-500 m. Guangxi, Hainan [Philippines, Vietnam]. The type specimen was collected from the Philippines. |
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Stems often arching, ca. 28 cm, 4-5 mm in diam., internodes ca. 1.5 cm. |
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Leaves mostly on upper part of stem, 8-11 cm × 3.5-4 mm, obtuse. Basal persistent leaf sheath with 1 joint and stem. |
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Inflorescences opposite to leaves, ca. 1 cm, 3-6-flowered; floral bracts broadly ovate-triangular, ca. 2 mm, thickly leathery. Flowers opening widely, purplish red, thinly textured; pedicel and ovary ca. 8 mm. Dorsal sepal elliptic, ca. 5 × 3 mm, concave, obtuse; lateral sepals slightly oblique, oblong, ca. 6 × 3 mm, dorsally carinate and winged toward apex; wing abruptly contracted and protruding from apex forming an awn. Petals ovate, ca. 6.2 × 3.2 mm, obtuse; lip 6-6.5 mm, strongly contracted near middle, with a distinct boundary between epichile and hypochile; hypochile 5.5-7 mm wide, broader than epichile, concave; epichile somewhat reniform-triangular, 5-6.2 mm wide, entire, obtuse. Column ca. 3 mm; stipe ovate, ca. 0.8 mm; viscidium suborbicular, large, ca. 1.3 mm wide. Fl. May-Jun. 2n = 38, 40. |
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