大花钗子股(植物分类学报)
Luisia magniflora Z. H. Tsi et S. C. Chen in Acta Phytotax. Sin. 32 (6): 558, fig. 2 (6-10): 557-558. 1994; Z. H. Tsi. S. C. Chen et K. Mori, Wild Orch. China: 105, pl. 225. 1997; 中国兰花全书: 63. 1998.
Epiphytic on tree trunks in open forests; 600-1900 m. S Yunnan.Type specimens from Yunnan ( Mengla ).
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Leaf oblique, fleshy, cylindrical. Leaves 9-18 cm × 2-3 mm, obtuse. thick, apex obtuse, base with 1 joint, enlarged below the joint as a sheath holding the stem. | ||
Stems ascending, to 30 cm, 5-8 mm in diam., rigid, internodes 2-2.5 cm. | ||
Inflorescence ca. 1 cm, often 2- or 3-flowered; rachis stout; floral bracts broadly ovate, ca. 3 mm, fleshy, obtuse. Flowers fleshy, yellowish to yellowish green, tinged or spotted with purplish red or brownish abaxially on sepals and petals, lip epichile brown or dark purple, column yellowish green; pedicel and ovary ca. 9 mm. Dorsal sepal ovate-oblong, 9-12 × 5-6 mm, concave, obtuse; lateral sepals suboblong, 10-12 × 4-5 mm, margin incurved, ± embracing epichile, abaxially carinate-winged and becoming a long winged tail at apex. Petals subelliptic, 10-11 × 5-5.5 mm, obtuse; lip 1-1.3 cm, with a distinct boundary between epichile and hypochile; hypochile smaller than epichile, with lateral lobes on both sides embracing column; epichile cordate, ca. 1 cm wide, adaxially papillate, margin recurved, apex emarginate. Column ca. 5 mm, thick. Fl. Apr-Jul. | ||
fruit; |