西南齿唇兰（中国高等植物图鉴）
西南开唇兰（横断山区维管植物、中国兰花全书）、
锺氏齿唇兰（台大实验林研究报告）、
锺氏金线莲（台湾兰科植物彩色图志）
Anoectochilus elwesii (Clarke ex Hook. f.) King et Pantl. in Ann. Bot. Gard. Calcutta 8: 296, t. 394. 1898; Seidenf. et Smitin. , Orch. Thailand part 1, 88. 1959; Seidenf. in Dansk Bot. Ark. 32(2): 49, fig. 24. 1978, et in Opera Bot. 114: 31. 1992; K. Y. Lang in Bot. Res. Inst. Bot. 4: 19. 1989;横断山区维管植物2: 2563. 1994.——Odontochilus elwesii Clarke ex Hook. f. , Fl. Brit. Ind. 6: 100. 1890, et in Hook. , Icon. Pl. 22: t. 2167. 1894;中国高等植物图鉴5: 664,图8158. 1976. ——Cystopus elwesii (Clarke ex Hook. f. )Kuntze, Rev. Gen. pl. 658. 1891. ——Odontochilus purpureus C. S. Leou in Quart. J. Expt. Forest. Nat. Taiwan Univ. 6(3): 68. figs. 1-2. 1992.—— Anoectochilus purpureus(C. S. Leou)S. S. Ying, Col. Illust. Orch. Fl. Taiwan 1: 62. 1996.
Damp places in evergreen broad-leaved forests, bamboo forests, valleys; 300-1500 m. Guangxi, Guizhou,
Mr. C. S. Leou ( 1992 ) reported that Odontochilus purpureus C. S. Leou from Taiwan fell within the range of variation of this species and was therefore incorporated. |
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Plants autotrophic, 15-25 cm tall. Stem ascending or erect, somewhat robust, ca. 3 mm in diam., 6- or 7-leaved. |
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Leaves abaxially pale red or pale green, adaxially deep green to dark greenish purple and sometimes with 3 reddish veins, ovate to ovate-lanceolate, 1.5-5 × 1-3 cm, apex acute; petiole-like base and tubular sheath 0.5-2 cm. |
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Peduncle 8-11 cm, with 1-3 sheathing sterile bracts, pubescent; rachis 1-6 cm, laxly 2-4-flowered, pubescent; floral bracts ovate, ca. 5 mm, much shorter than ovary, outer surface pubescent, apex mucronate. Flowers resupinate; ovary and pedicel twisted, cylindric-fusiform, ca. 13 mm, pubescent. Sepals green or white, tinged purplish red toward apex, outer surface pubescent, 1-veined; dorsal sepal forming a hood with petals, with 2 broad purplish red stripes, ovate, cymbiform, ca. 7 × 4 mm, apex acuminate; lateral sepals ovate, oblique, ca. 10 × 6 mm, saccate at base. Petals white, ovate, strongly oblique, falcate, ca. 7 × 4 mm, 1-veined, apex acuminate; lip white, Y-shaped, ca. 15 mm; hypochile slightly dilated, shallowly bisaccate, ca. 3.5 mm, containing a central longitudinal septum and 1 fleshy, subsquare callus on either side; mesochile dark purple, 5-7 mm, with a fimbriate flange along either margin; flanges composed of 4 or 5 filaments; epichile transversely dilated, ca. 12 × 14 mm, 2-lobed; lobes diverging widely, suboblong, ca. 10 × 5 mm, margin slightly undulate, apex truncate. Column ca. 4 mm, stout, with 2 suboblong, lamellate wings; anther narrowly ovoid, ca. 4 mm; pollinia clavate, ca. 3 mm, attached to a narrowly lanceolate viscidium ca. 1.5 mm; rostellum erect, small, remnant furcately bifid; stigma lobes separate, suborbicular, large. Fl. Jul-Aug. |
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