落地金钱（中国高等植物图鉴）
Habenaria aitchisonii Rchb. f. in Trans. Linn. Soc. Bot. ser. 2, 3: 113. 1886, "aitchisonii"; Schltr. in Fedde Repert. Sp. Nov. Beih. 4: 123. 1919;中国高等植物图鉴5: 634. 1976, pro parte; H. Hara et al., Enum. Flow. Pl. Nepal 1: 45. 1978; 西藏植物志5: 734. 1987; 横断山区维管植物2: 2546. 1994; 青海植物志4: 317, 图版53: 6-7. 1999. ——Habenaria diceras Schltr. in Notes Bot. Gard. Edinb. 5: 101, t. 78. 1912.——Habenaria bihamata Kraenzl. in Fedde Repert. Sp. Nov. 17: 106. 1921. ——Habenaria pubicaulis Schltr. in Acta Hort. Gothob. 1: 139. 1924. ——Habenaria diceras Schltr. var. pubicaulis(Schltr. )Soo in Ann, Mus. Nat. Hung. 26: 370. 1929. syn. nov.
Forests, thickets, grasslands; 2100-4300 m. Guizhou, S Qinghai, W Sichuan, S and SE Xizang, C and NW Yunnan [Afghanistan, Bhutan, India, Kashmir].The type specimen was collected from Afghanistan. |
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Plants 12-33 cm tall. Tubers oblong or ellipsoid, 1-2.5 × 0.8-1.5 cm, fleshy. Stem erect, terete, papillate-pubescent, with 2 nearly opposite leaves at base. |
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Leaf blade spreading horizontally, ovate or ovate-orbicular, 2-5 × 1.5-4 cm, adaxially sometimes with 5 yellowish white veins, base narrowed and amplexicaul, apex acute. |
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Raceme several to many flowered, 5-15 cm; rachis papillate; floral bracts ovate-lanceolate, ca. as long as or shorter than ovary, apex acuminate; ovary twisted, terete, including pedicel 7-10 mm, papillate-hairy. Flowers yellowish green or green, small. Dorsal sepal forming a hood with petals, erect, ovate, concave, 3-5 × 2.5-3.5 mm, 3-veined, apex obtuse or acute; lateral sepals reflexed, obliquely ovate-oblong, 3.5-5.5 × 2-3 mm, 3-veined, apex obtuse or acute. Petals indistinctly 2-lobed; upper lobe obliquely falcate-lanceolate, 3-5 × 1.5-2 mm; lower lobe a tooth at base of upper lobe; lip longer than sepals, above base deeply 3-lobed; lateral lobes retrorse, almost embracing erect sepals, subulate, 6-12 mm, apex slightly hooked; mid-lobe reflexed, straight, linear, 5-9 × 1-1.2 mm; spur pendulous, cylindric-clavate, 6-9 mm, shorter than ovary; connective relatively narrow; stigmas subclavate. Fl. Jul-Sep. |
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