Herminium forceps (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 : 20

16. Herminium forceps (Finet) Schltr., Notes Roy. Bot. Gard. Edinburgh 5: 97. 1912. Fig. 5C , 11G

Habenaria forceps (Finet) Schltr., Repert. Spec. Nov. Regni Veg. Beih.4: 127. 1919.

Herminium tsoongii Tang & F. T. Wang, Contr. Inst. Bot. Natl. Acad. Peiping 2: 134. 1934. Type: CHINA. Yunnan, without precise locality, 06.06.1919, Tsoong K. K., 4916 (Holotype: N).

Herminium liguliforme Tang & F. T. Wang, Acta Phytotax. Sin.1: 61. 1951. Type: CHINA. Sikang, Wang 66089 (Holotype: PE).

Basionym.

Peristylus forceps Finet, Rev. Gén. Bot. 13: 521. 1902.

Type.

CHINA. Yunnan, in the mountains, 07.1897, Ducloux F., 319 (Lectotype, here chosen: P! [P00363813]; Isolectotype: P! [P00363812]). Syntypes: Kouy-Tcheou, Gan-pin area , 16.8.1897, Bodinier E. & Martin L., 1779 (Syntype: P! [P00363805]); Teou chan, 15.7.1899, Cavalerie J., 1779 (Syntype: P! [P00363806]); Above Ta pin tze, 11.8.1882, Delavay J. M., 381 (Syntype: P! [P00363808]); Mt. Hee Chan men (Lan Kong), 9.1884, Delavay J. M., 681 p. p. (Syntype: P! [P00363809]); Mt. Che tcho tze, above Ta pin tze, 8.8.1887, Delavay J. M. s.n. (Syntype: P! [P00363810 & P00363811]); Kouy-Yang area , 16.6.1898, Bodinier E., 2206 (Syntype: P! [P00363814]) .

Description.

Plant 12-40 cm tall. Tubers ovoid-oblongoid, 1-4 cm long. Stem slender, with 2 or 3 tubular sheaths and (2-)3-4(-5) widely spaced leaves. Leaves oblong-lanceolate, 4-10 × 0.5-2.3 cm, apex acute. Inflorescence 10-30 cm; peduncle cylindrical, peduncle-scales several, often foliaceous, lanceolate, rachis 3-20 cm, densely many flowered; floral bracts ovate-lanceolate, 5-20 mm, longer than ovary, apex acuminate. Flowers green; pedicel and ovary arcuate, shortly beaked, 4-10 mm. Dorsal sepal oblong-ovate, 2-3.5 × 1.5-3 mm, apex obtuse; lateral sepals oblong-lanceolate, slightly oblique, 2-3.5 × 1-1.5 mm, apex obtuse. Petals ovate-lanceolate, oblique, 2-4 × 1-1.6 mm, apex obtuse. Lip lingulate, entire, 3-5 × 1-1.5 mm, ecallose, margin incurved, apex obtuse; spur pendulous, 0.8-1 mm, much shorter than ovary, apex obtuse. Column 1.5 mm; pollinia clavate, viscidium involute, horn-like; rostellum triangular with short arms, stigma transversely oblong situated below the rostellum.

Flowering time.

June-August.

Habitat.

Terrestrial in Quercus - Abies forests along valleys, and on grassy slopes at elevations of 1200-4000 m.

Distribution.

China (Gansu, Guizhou, Hubei, Sichuan, Xizang, Yunnan).

Specimens examined.

CHINA: Guizhou, Guiyang , 1300 m, 03.05.2000, Luo Y.B., 291 (PE) ; Sichuan, Danba county, 3000 m, 6.8.1940, Qu G. L., 7539A (PE); Jinchuan county, 2600 m, 24.6.1958, Li X.,77885 (PE); Mianning county , 2000 m, 25.07.1959, Wang Z. B., 2168 (PE); Muli county , 2400 m, 1.10.1983, Qinghai-Tibet Team, 14895 (PE) ; Tibet, Zayu county , 3500 m, 13.7.2010, Jin X. H., Zhang S., Li Z., Wu B., Mu X., Li J., Jin W. T., STET0279 (PE) ; Yunnan, Mengtze, 1875, Hancock W., s.n. (K); Sundian county , 2404 m, 17.8.2007, Jin X. H, 9190 (PE); Shangri-La, 2830 m, 29.7.1997, Luo Y.B., 176 (9752) (PE) .

Figures

Figure 5. Flowers of representive species of Herminium. A H. monorchis B H. latilabre C H. forceps D H. fallax E H. lanceum F H. edgeworthii G H. monophyllum H H. quinquelobum I H. pugioniforme.

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.