Herminium coeloceras (Finet) Schltr., Notes Roy. Bot. Gard. Edinburgh 5: 97. 1912.

Raskoti, Bhakta Bahadur, Schuiteman, Andre, Jin, Wei-Tao & Jin, Xiao-Hua, 2017, A taxonomic revision of Herminium L. (Orchidoideae, Orchidaceae), PhytoKeys 79, pp. 1-74 : 14

9. Herminium coeloceras (Finet) Schltr., Notes Roy. Bot. Gard. Edinburgh 5: 97. 1912. Figs 6I , 7I , 8I , 9I , 11I

Herminium unicorne Kraenzl., Repert. Spec. Nov. Regni Veg. 5: 199. 1908. Type: CHINA. East Tibet, Tongolo, Soulié J. A., 2980 (Holotype: B, lost; Isotype: P! [P00361310]).

Herminium tenianum Kraenzl., Repert. Spec. Nov. Regni Veg. 17: 110. 1921. Type: CHINA. Yunnan, Pe Tsao Lin, Tén S., 1387 (Holotype: C).

Monorchis coeloceras O. Schwarz, Mitt. Thüring. Bot. Ges. 1: 96. 1949.

Monorchis teniana (Kraenzl.) O. Schwarz, Mitt. Thüring. Bot. Ges. 1: 96. 1949.

Basionym.

Peristylus coeloceras Finet, Rev. Gén. Bot. 13: 519. 1902.

Type.

CHINA. Yunnan, Mt. Hee chan menn above Lan Kong , 11.07.1883, Delavay J. M.,68 (Lectotype, here chosen: P! [P00361306]). Syntypes : Yunnan, Mt. Hee chan menn above Lan Kong , 11.07.1883, Delavay J. M., s.n. (Syntype: P! [P00361307]) ; Yunnan, summit of Ma eul chan, 3500 m, 9.7.1889, Delavay J. M., s.n. (Syntype: P! [P00361303 & P00361304]) ; Yunnan, forest of Song pin above Ta pin tze, 2000 m, 18.8.1885, Delavay J. M., s.n. (Syntype: P! [P00361308 & P00361309]) ; Sichuan, Tongolo, Ragathong , August 1891, Soulié J. A., 322 (Syntype: P! [P00361305]) .

Description.

Plant 6-36 cm tall. Tubers oblong-ovoid, 10-25 × 5-10 mm. Stem with 1 or 2 tubular sheaths and 2 opposite to subopposite leaves at base. Leaves elliptic-lanceolate to oblong, 2-10 × 0.8-2 cm, apex obtuse or acute. Inflorescence 20-27 cm; peduncle cylindrical, slender; peduncle-scales1-3, lanceolate, 4-15 mm; rachis 2-10 cm, densely many flowered; floral bracts ovate-lanceolate, 5-10 mm, equal or slightly longer than ovary, apex acuminate. Flowers white, ca. 4 mm across, pedicel and ovary twisted, arcuate, beaked, 4-10 mm. Dorsal sepal ovate, 2-2.5 × 1.5-2 mm, apex obtuse; lateral sepals ovate, 2.5-3 × 1-1.5 mm, apex obtuse. Petals nearly rhombic to ovate, oblique, 2-2.5 × 1-1.5 mm, apex obtuse. Lipspurred, nearly ovate, 2-3 × 1.5-2 mm, 3-lobed; disk with subglobose callus; lateral lobes oblong,1 × 0.5 mm, apex obtuse; mid-lobe oblong, 2 × 1 mm, apex obtuse; spur globose-saccate. Column ca. 2 mm; pollinia globose, viscidia involute, hornlike, elliptic; rostellum with short arms, stigma transversely oblong, situated below the rostellum.

Flowering time.

June-August.

Habitat.

Terrestrial in coniferous and broad-leaved mixed forests, and on grassy alpine slopes at elevations of 1800-3900 m.

Distribution.

China, Myanmar.

Specimens examined.

CHINA: Sichuan, Luding county, 1300 m, 12.07.1982, Lang K.Y., Li L.Q., Fei Y.Y., 624 (PE); Luding county , 1800 m, 20.08.1963, Guan K.J., Wang W.C., et al. 1762 (PE) ; Tibet, Zayu county, 3400 m, 13.08.2013, Jin X. H., Wang L. S., Wang Q et al., ST2901 (PE); Gonjo county, 3700, 20.08.1976, Qinghai-Tibet Team, 9681 (PE); Mainling county , 3400 m, 20.07.1972, Tibet Herb Survey Team, 4111 (PE); Nyingchi county , 3100 m, 31.07.1965, Zhang Y.T. and Lang K.Y., 1213 (PE); Pasang Lake , 3050 m, 18.08.1924, Kingdon-Ward F., 6107 (K) ; Yunnan, Shangri-La, 2830 m, 29.07.1997, Luo Y.B., 176 (9752) (PE); Lijiang county , 2500 m, 03.10.1983, Qinghai-Tibet Team, 14921 (PE) .

Figures

Figure 6. 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.

Figure 7. 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.

Figure 8. 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

Figure 9. 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.

Figure 11. Pollinia structure in Herminium. A H. josephi B H. macrophyllum C H. pygmaeum D H. handelii E H. lanceum F H. fallax G H. forceps H H. latilabre I H. coeloceras.