PlantaeAsparagalesOrchidaceaeRaskotiBhakta BahadurSchuitemanAndréJinWei-TaoJinXiao-HuaA taxonomic revision of Herminium L. (Orchidoideae, Orchidaceae)PhytoKeys194201720177917410.3897/phytokeys.79.11215 Herminium chloranthum Tang & F. T. Wang, Bull. Fan Mem. Inst. Biol. Bot. 10: 34. 1940.Figs 6B, 7B, 8B, 9BType.

CHINA. Yunnan, Shangri-La (Zhongdian County), 3000 m, 05.07.1937, Yu T. T., 11920 (Holotype: KUN!; Isotype: AMES! [AMES00104951], PE! [PE01432254]).

Description.

Plant 4–16 cm tall. Tubers globose, 4–15 × 4–10 mm. Stem with 2 or 3 tubular sheaths and 1–2 leaves at base. Leaves subopposite or opposite, oblong, elliptic, or spatulate, 2–7 × 0.3–2 cm, apex obtuse or acute. Inflorescence 3–14 cm; peduncle cylindrical, ebracteate; rachis 1–5 cm, laxly flowered; floral bracts ovate, shorter than ovary, apex obtuse. Flowers pale green; 5 mm across, pedicel and ovary twisted and hooked, 3–6 mm. Dorsal sepal broadly ovate, concave, 3–4 × 2–2.5 mm, apex obtuse; lateral sepals obliquely lanceolate, 3–4 × 1–1.4 mm, apex obtuse. Petals elliptic to lancolate, falcate, 3–4 × 1.3–1.8 mm, upper half-fleshy, apex obtuse. Lip pandurate, 5.5 × 2.5 mm, concave with spur like saccate base, 3-lobed above middle; lateral lobes triangular, 0.5 × 0.8 mm, apex obtuse; midlobe triangular, 1 × 0.6 mm, apex obtuse. Column 0.7 mm; pollinia globose; caudicles nearly obsolete, viscidia involute, hornlike, rostellum triangular, armed, stigma transversely oblong, situated below the rostellum. Fruit oblong, 6–7 mm long.

Flowering time.

July–August.

Habitat.

Terrestrial in alpine grasslands and meadows at elevations of 2500–4100 m.

Distribution.

China, Nepal.

Specimens examined.

CHINA: Sichuan, Kangding county, near Suopo, 3600 m, 03.08.1982, Lang K. Y., Li L. Q., Fei Y., 948A (PE); Tibet, Medog county, Bomi-Medog Road, 08.09.2009, Jin X. H., Liu B. Q., Xu S. M., Zhao W., 2664 (PE); Nyalam county, 3800 m, 02.09.1972, Tibetan Herbal Survey Team,1909 (PE); Zayu county, Chawalong from Meigu to Ridong, 3700 m, 17.07.2010, Jin X. H., Liu B. Q., Xu S. M., Zhao W., STET0611 (PE); Yunnan, Li-Kiang Hsien, 07.1935, Wang C. W.,71033 (PE), Shangri-La, 3000 m, 05.07.1937, Yu T. T., 19920 (PE); Shangri-La, 4300 m, 18.08.1981, Beijing Hengduan Mountain Team, 3319 (PE).

NEPAL: Dhaulagiri, Mustang district, above Jharkot at 3800 m, 18.08.2011, Raskoti B. B.,00139 (KATH); Mustang, Bhena, 3780 m, 26.08.2001, Miehe G. and Miehe S., 01-072-16 (K).

Dorsal sepal of Herminium. A H. monorchis B H. chloranthum C H. pygmaeum D H. josephi E H. monophyllum F H. lanceum G H. macrophyllum H H. glossophyllum I H. coeloceras J H. fallax K H. handelii L H. elisabethae M H. himalayanum N H. clavigerum O H. quinquelobum P H. macrophyllum Q H. mannii R H. biporosum.

Lateral sepal of Herminium. A H. monorchis B H. chloranthum C H. pygmaeum D H. josephi E H. monophyllum F H. lanceum G H. macrophyllum H H. glossophyllum I H. coeloceras J H. fallax K H. gracile L H. elisabethae M H. himalayanum N H. clavigerum O H. quinquelobum P H. macrophyllum Q H. lanceum R H. biporosum.

Petal of Herminium. A H. monorchis B H. chloranthum C H. pygmaeum D H. josephi E H. monophyllum F H. lanceum G H. josephi H H. coiloglossum I H. coeloceras J H. fallax K H. himalayanum L H. elisabethae M H. alaschanicum N H. ophioglossoides O H. quinquelobum P H. macrophyllum Q H. ecalcaratum R H. biporosum

Lip of Herminium. A H. monorchis B H. chloranthum C H. pygmaeum D H. josephi E H. monophyllum F H. macrophyllum G H. macrophyllum H H. alaschanicum I H. coeloceras J H. fallax K H. longilobatum L H. elisabethae M H. alaschanicum N H. lanceum O H. quinquelobum P H. kamengense Q H. coiloglossum R H. biporosum.