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FOC | Family List | FOC Vol. 25 | Orchidaceae | Liparis

19. Liparis nervosa (Thunberg) Lindley, Gen. Sp. Orchid. Pl. 26. 1830.

见血青 jian xue qing

Ophrys nervosa Thunberg in Murray, Syst. Veg., ed. 14, 814. 1784; Bletia bicallosa D. Don; Epidendrum nervosum (Thunberg) Thunberg; Liparis bambusifolia Makino; L. bicallosa (D. Don) Schlechter; Malaxis nervosa (Thunberg) Swartz; Sturmia nervosa (Thunberg) H. G. Reichenbach.

Herbs, terrestrial. Stem cylindric, 2-8(-10) cm, 5-7(-10) mm in diam., thick, fleshy, with many nodes, usually ± enclosed by sheaths, upper part sometimes naked. Leaves 3-6; petiole sheathlike, 2-3(-5) cm, amplexicaul, long, not articulate; blade ovate to ovate-elliptic, 5-11(-16) × 3-5(-8) cm, membranous or herbaceous, base contracted and decurrent into petiole, margin entire, apex subacuminate. Inflorescence subterminal, 10-20(-25) cm; rachis several to 10-flowered, sometimes with very narrow wing; floral bracts deltoid, 1(-2) mm. Flowers purple; pedicel and ovary 8-16 mm. Dorsal sepal linear or broadly linear, 8-10 × 1.5-2 mm, inconspicuously 3-veined, margin revolute, apex obtuse; lateral sepals narrowly ovate-oblong, slightly oblique, 6-7 × 3-3.5 mm, 3-veined, apex obtuse. Petals reflexed, filiform, 7-8 × ca. 0.5 mm, 1-veined; lip oblong-obovate, 6-6.5 × 4.5-5 mm, base narrowed and with 2 suboblong calli, apex truncate and emarginate. Column 4-5 mm, rather stout, upper part distinctly or indistinctly with narrow wings. Capsule obovate-oblong or narrowly elliptic, ca. 1.5 cm × 6 mm; fruiting pedicel 4-7 mm. Fl. Feb-Jul, fr. Oct. 2n = 36, 40, 42.

Forests, shaded places in grasslands or soil-covered rocks along streamsides; 1000-2100 m. N Fujian, Guangdong, Guangxi, Guizhou, Hubei, S Hunan, Jiangxi, S Sichuan, Taiwan, SE Xizang, Yunnan, S Zhejiang [widespread in Old and New World tropics].

Liparis nervosa is represented in China by the typical variety; L. nervosa var. khasiana (J. D. Hooker) P. K. Sarkar is restricted to NE India and is distinguished by having only two or three leaves and petals that are neither reflexed nor twisted.


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