二叶兜被兰(中国高等植物图鉴)
兜被兰(西藏植物志、横断山区维管植物)
Neottianthe cucullata (L.) Schltr. in Fedde Repert. Sp. Nov. 16: 292. 1919; Nevski in Fl. USSR, 4: 645. 1935; F. Maekawa, Wild Orch. Jap. Col. 137, pl. 32. 1971; 秦岭植物志1(1): 409. 1976; 中国高等植物图鉴5: 630, 图8089. 1976; H. Hara et al. , Enum. Flow. Pl. Nepal 1: 49. 1978;西藏植物志5: 714. 1987, pro parte;横断山区维管植物2: 2535. 1994, pro parte; 东北植物检索表(第二版), 904, 图455(1). 1995; 青海植物志4: 312,图版52: 7-9. 1999; K. Y. Lang, Y. Z. Xi et Y. S. Hu in Acta Phytotax. Sin. 35(6): 536. 1997. ——Orchis cucullata L., Sp. Pl. ed. 1. 939. 1753. ——Gymnadenia cucullata(L. )L. C. Rich. in Mem. Mus. Hist. Nat. Paris 4: 57. 1818. ——Gymnadenia scabrilinguis Kraenzl. in Bot. Jahrb. Englar 36(Beibl. 82): 26. 1905. ——Gymnadenia cucullata var. maculates Nakai et Kitagawa in Rep. First. Sci. Exped. Manch. IV. 1: 20. 1934. ——Neotlianthe cucullata form. maculata(Nakai et Kitagawa)Nakai et Kitagawa, 1. c. 4: 72. 108. 1936. ——Habenaria cucullata(L. )Hoefft, Cat. Pl. Koursk. 56. 1826. ——Himantoglossum cucullatum(L. )Rchb. f. , Fl. Germ. Exc. 920. 1830.
Forests, thickets, grassy slopes, alpine grasslands; 400-4500 m. Anhui, N Fujian, Gansu, NE Guizhou, Hebei, Heilongjiang, Henan, W Hubei, Jiangxi, Jilin, Liaoning, Nei Mongol, Qinghai, Shaanxi, Shanxi, Sichuan, Xizang, NW Yunnan, Zhejiang [Bhutan, N India, Japan, Korea, Mongolia, Nepal, Russia; E Europe]. | ||
Plants (4-)8-24 cm tall. Tubers subglobose to ovoid, 8-15 mm. Stem erect or ascending, with 1 or 2 tubular sheaths at base, (1 or)2-leaved. Leaves basal, subopposite, dark green, adaxially often with purple spots, ovate, elliptic, oblanceolate-spatulate, or narrowly oblong, 2.2-9 × (0.5-)1-3 cm, apex acute to obtuse. | ||
Peduncle ebracteate or with 1-4 sterile bracts; rachis 1.5-8 cm, laxly to subdensely 4-22-flowered; floral bracts lanceolate, 5-12 mm, lower ones exceeding ovary, apex acuminate. Flowers often secund, rose-pink to deep purple; ovary and pedicel slightly arcuate, 5-7 mm. Sepals connivent and forming a hood; hood 5-8 × 3-5 mm; dorsal sepal oblong-lanceolate to lanceolate, (4-)5-7 × 1.5-2.7 mm, 1-veined, apex acute; lateral sepals lanceolate, oblique, 5-8 × 1.5-2.8 mm, 1-veined, apex acute to acuminate. Petals appressed to dorsal sepal, linear-lanceolate, 4-7 × 0.5-1.2 mm, 1-veined, apex acute to acuminate; lip spreading, narrowly oblong, 5-10 × 1.8-3 mm, base cuneate, 3-lobed near middle; lateral lobes linear-lanceolate, 2-6 × 0.3-0.5 mm, 1-veined, apex acute; mid-lobe linear-lanceolate, 4-8 × 1-2 mm, 3-veined, apex obtuse; spur pendulous, straight to strongly curved forward, cylindric-conic, 4-6 mm, ca. 1 mm in diam. at base, apex obtuse. Fl. Jul-Oct. | ||