叉唇角盘兰（中国高等植物图鉴）

角盘兰余粮子草（台湾兰科植物彩色图鉴）、

脚根兰（台湾兰科植物）、

细叶零余子草（台湾植物志） 

Herminium lanceum (Thunb. ex Sw.) Vuijk in Blumea 11: 228. 1961; 中国高等植物图鉴5: 624, 图8098. 1976; 台湾兰科植物彩色图鉴1: 207, 图77. 1977, et 2: 556. 1990; 西藏植物志5: 704, 图370(1-2). 1987; K. Y. Lang in Acta Phytotax. Sin. 26 (3): 175. 1988;横断山区维管植物2: 2528. 1994. ——Ophrys lancea Thunb. ex Sw. in Kongl. Vetensk. Acad. Nya Handl. Stockh. 21: 223. 1800.——Aceras angustifolia Lindl. (ex Wall. Numer. List 241, no. 7061. 1832, nom. nud. )in Bot. Reg. 18: sub. t. 1525. 1832.——Aceras longicruris C. Wright ex A. Gray in Mem. Amer. Acad. ser. II, 6: 411. 1859.——Aceras angustifolia Wall. ex Lindl. var. longicruris(C. Wright ex A. Gray)Miq. , Prol. 139. 1866.——Platanthera angustifolia(Lindl. )Rchb. f. , Otia Bot. Hamb. 1: 39. 1878. ——Herminium angustifolium(Lindl. )Benth. ex Clarke in J. Linn. Soc. Bot. 25: 73. 1889. ——Herminium angustifolium(Lindl. )Benth. ex Hook. f. , Fl. Brit. Ind. 6: 129. 1890. ——Monorchis angustifolia(Lindl. )Schwarz. in Mitt. Thwing Bot. Ges. 1: 95. 1949. ——Herminium longicruris(C. Wright ex A. Gray)T. Tang et F. T. Wang in Acta Phytatax. 1: 29 et 61. 1951. ——-Herminium angustifolium (Lindl. )Benth. ex Hook. f. var. longicruris(C. Wright ex A. Gray)Makino in Bot. Mag. Tokyo 10: 109. 1896; 秦岭植物志1(1): 405, 图393. 1976. ——-Herminium angustifolium(Lindl. )Benth. ex Hook. f. var. brevilabre T. Tang et F. T. Wang in Acta Phytotax. 1: 28. et 61. 1951. ——Herminium angustifolium(Lindl. )Benth. ex Hook. f. var. nematolobum Hand.-Mazz. , Symb. Sin. 7: 1332. 1936. ——Herminium lanceum(Thunb. ex Sw. )Vuijk var. longicrure(C. Wright ex A. Gray)H. Hara in J. Jap. Bot. 44: 60. 1969; 台湾植物志5: 1029, 图1611. 1978; 台湾兰科植物3: 137-139(图). 1987. ——Herminium minutflorum Schltr. in Fedde Repert. Sp. Nov. 9: 273. 1924. ——Herminium stenostachyum T. Tang et F. T. Wang in Bull. Fan Mem. Inst. Biol. Bot. 7: 130. 1936. 

Plants 14-83 cm tall. Tubers subglobose to ellipsoid, 10-15 × 5-12 mm. Stem with 2 tubular sheaths at base, 2-4-leaved.
Leaves cauline, often widely spaced, alternate, linear to linear-lanceolate, 6-20 × 0.5-1.4 cm, apex acute or acuminate.
Inflorescence 12-43 cm; peduncle cylindric, with 1 to a few linear-lanceolate sterile bracts 1-6 cm; rachis 6-31 cm, laxly to subdensely many flowered; floral bracts lanceolate, 2-8 mm, shorter than or occasionally exceeding ovary, apex acuminate. Flowers erect or horizontal, pale yellowish green to green; ovary straight to slightly arcuate, 5-7 mm including pedicel. Dorsal sepal suberect, ovate to oblong, concave, 2-4 × 1-1.5 mm, 1-veined, apex obtuse; lateral sepals spreading, oblong to ovate-oblong, oblique, 2.2-4 × 1-2 mm, 1-veined, apex subobtuse or acute. Petals forming a hood, linear, 2-4 × 0.2-1 mm, 1-veined, apex obtuse to subacute; lip often pendulous, oblong, 4-10 × 1-2 mm, base dilated and concave, furcately 3-lobed near middle; disk ridged; lateral lobes linear, 2-7 mm; mid-lobe oblong to triangular, to