尾瓣舌唇兰（中国高等植物图鉴）
Platanthera mandarinorum Rchb. f. in Unnaea 25: 226. 1852; Kraenzl. , Orch. Gen. Sp. 1: 629. 1901, et in Fedde Repert. Sp. Nov. Beih. 65: 57. 1931; Rolfe in J. Linn. Soc. Bot. 36: 56. 1903; Hand.-Mazz. , Symb. Sin. 7: 1331. 1936; F. Maekawa, Wild Orch. Jap. Col. 164, pl. 45. 1971; S. Y. Hu in Quart. J. Taiwan Mus. 28 (1-2): 134. 1975; 中国高等植物图鉴5: 618, 图8066. 1976; 江苏植物志1: 409, 图734. 1977; K. Inoue in J. Fac. Sci. Univ. Tokyo Bot. 13(2): 178. 1982; K. Y. Lang in Bot. Res. Inst. Bot. 4: 9. 1989 et 7: 120. 1994; 安徽植物志5: 554, 图3094. 1992;浙江植物志7: 504,图7-673. 1993;福建植物志6: 644,图569. 1995. ——Platanthera mandarinorum Rchb. f. var. ophryodes Finet in Rev. Gen. Bot. 13: 512. 1901, syn. nov. ——Platanthera delavayi Schltr. in Fedde Repent. Sp. Nov. 9: 281. 1919; Hand. -Mazz. , symb. Sin. 7: 1331. 1936. ——Platanthera pachyglossa Hayata, Icon. Pl. Formos. 4: 123, t. 21. 1914. ——Platanthera neglecta Schltr. in Fedde Repert. Sp. Nov. Beih. 4: 43, 115. 1919.——Platanthera winkeriana Schltr. , 1. c. 12: 335. 1922.——Platanthera minax Schltr. ex Limpr. 1. c. 336, syn. nov. ——Platanthera mandarinorum Rchb. f. var. delavayi(Schltr. )Soo in Ann. Nat. Hist. Hangar. 26: 361. 1929. ——Platanthera mandarinorum Rchb. f. subsp. winkeriana(Schltr. )Soo, 1. c. ——Platanthera mandarinorum Rchb. f. var. neglecta(Schltr. )F. Maekawa, Wild Orch. Jap. Col. 165, pl. 44. 1971.——Platanthera mandarinorum Rchb. f. subsp. pachyglossa(Hayata)T. P. Lin et K. Inoue in J. Phytogeog. et Taxon. 28: 10. 1980. ——Platanthera mandarinorum Rchb. f. subsp. formosana T. P. Lin et K. Inoue, 1. c.
9a.尾瓣舌唇兰（原亚种）
subsp. mandarinorum
Forests, forest margins, alpine or moist grasslands; 300-3200 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shandong, Sichuan, Taiwan, NE Yunnan, Zhejiang [Japan, Korea]. |
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Plants 10-50 cm tall. Rootstock tuberous, ovoid to fusiform, 3-8 × 0.4-0.8 cm. Stem erect, with 2 or 3 tubular sheaths at base, 1- or 2-leaved. Leaves basal or cauline, alternate, narrowly elliptic, oblong, or linear-lanceolate, 3-12 × 0.8-3 cm, base clasping, apex acute or obtuse. |
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Peduncle slender to somewhat robust, distinctly ridged, with several foliaceous, lanceolate bracts; rachis 3-22 cm, laxly to subdensely 3-20-flowered; floral bracts lanceolate to ovate-lanceolate, 8-20 mm, equal to or exceeding ovary. Flowers pale greenish yellow to green; pedicel and ovary arcuate, narrowly fusiform, 10-14 mm. Dorsal sepal not connivent with petals, broadly ovate to cordate or deltoid, concave, 4-7 × 3-5.5 mm, glabrous, 3-veined, apex obtuse or bluntly rounded; lateral sepals spreading or reflexed, oblong-lanceolate to broadly lanceolate or linear-lanceolate, oblique, 5-9 × 1.3-3.5 mm, glabrous, 3-veined, apex acute to acuminate. Petals spreading, ovate-lanceolate or ovate-linear, oblique, 6-9 × 3-4 mm, 3-veined, apex acute or obtuse; lip pendulous, linear-lanceolate to ligulate, 7-10 × 1-2.5 mm, entire, apex obtuse; spur pendulous, spreading horizontally, or curving upward, cylindric, 8-30 mm, obtuse to acute. Column 3-4 mm; staminodes ellipsoid, conspicuous; anther locules divergent or parallel, connective 2-3 mm wide, apex emarginate; pollinia ellipsoid, with long caudicles and suborbicular viscidia; rostellum broadly triangular; stigma lobes confluent, transversely oblong, concave, lying directly below rostellum. Flowering April-June. |
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