反瓣虾脊兰（中国高等植物图鉴）
Calanthe reflexa (Kuntze) Maxim. in Bull. Acad. Imp. Sci. St. Petersb. 18: 68. 1873; Hayata, Icon. Pl. Formos. 4: 71. fig. 34. 1914; Summerh. in Curtis’s Bot. Mag. 164: t. 9648. 1943; S. Y. Hu, in Quart. J. Taiwan Mus. 25 (3, 4): 204. 1972; 台湾兰科植物1: 92-93 (图). 1975; 中国高等植物图鉴5: 724.图8277. 1976; 台湾植物志5: 913. 1978; 浙江植物志7: 529, 图7-708. 1993; 台湾兰科植物彩色图志1: 192.图28. 1996. ——Alismorchis reflexa Kuntze, Rev. Gen. Pl. 2: 650. 1819. ——Calanthe similis Schltr. in Fedde Repert. Sp. Nov. Beih. 4: 68. 1919. ——Paracalanthe reflexa (Maxim.) Kudo in J. Soc. Trop. Agr. 2: 235. 1930.
Evergreen broad-leaved forests, mossy rocks on streamsides or along valleys; 600-2500 m. Anhui, N Guangdong, N Guangxi, Guizhou, Hubei, Hunan, Jiangxi, W Sichuan, Taiwan, NE and SW Yunnan, Zhejiang [Japan, Korea]. |
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Plants 20-45 cm tall. Rhizome inconspicuous. Pseudobulbs short, ca. 1 cm in diam., sometimes inconspicuous. |
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Leaves 4 or 5, basal, well developed at anthesis, not deciduous; blade elliptic, 15-20 × 3-6.5 cm, apex acute; petiole-like base 2-4 cm. |
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Scapes 1 or 2, erect, 20-40 cm, puberulent; rachis 5-20 cm, laxly 10-18-flowered; floral bracts persistent, narrowly lanceolate, 18-24 mm, glabrous, apex acuminate. Flowers pale purplish pink; pedicel and ovary ca. 20 mm, glabrous. Sepals similar, strongly reflexed, ovate-lanceolate, 15-20 × ca. 5 mm, abaxially puberulent, 5-veined, apex cuspidate-acute; lateral sepals oblique. Petals reflexed, linear, 15-18 × 1-3 mm, 1-3-veined, apex acuminate; lip adnate to base of column wings, 9-11 × 7-10 mm, spurless, 3-lobed; lateral lobes oblong-falcate, ca. 8 mm across their apices, margin entire, apex obtuse; mid-lobe subelliptic or obovate-cuneate, ca. 8 × 8 mm, apical margin irregularly dentate, apex acute; disk without lamellae or calli. Column ca. 6 mm, glabrous; rostellum 3-lobed; lobes narrowly falcate, mid-lobe shorter and sharply tooth-shaped. Fl. May-Jun. 2n = 40, 42.
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