Herminium pygmaeum Renz, Edinb. J. of Bot. 56(1):106. 2001.

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 : 36

41. Herminium pygmaeum Renz, Edinb. J. of Bot. 56(1):106. 2001. Figs 6C , 7C , 8C , 9C , 11C

Type.

BHUTAN. Thimphu district, below Darkey Pang Tso, north of Paro, 3960 m, 04.08.1991, Noltie H. J., 105 (Holotype: E! [E00008013]) .

Description.

Plant 2-16 cm tall. Tuber globose, 3-4 × 3-4 mm. Stem with a sheath and 2-3 basal leaves. Leaves linear-oblong, 1.5-3.5 × 0.5-0.15 cm, apex subacute. Inflorescence 2-10 cm, peduncle cylindrical with 1.5-2.5 × 0.5-2 mm, lanceolate, acute peduncle-scales, rachis glabrous, 2-4.5 mm long subdensely 3-5-flowered; floral bracts minute, lanceolate, acute, 0.5-2 × 0.5-0.6 mm. Flowers secund, 3-5 mm long, sepals green, petals yellowish, pedicel and ovary swollen, 3-5 × 1-1.3 mm, apex beaked and strongly hooked. Dorsal sepal ovate, concave, 3-4 × 1.5 mm, apex obtuse, lateral sepals ovate-lancelate, oblique, apex obtuse, 3-4 × 1.5-2 mm. Petals trowel-shaped, oblique, fleshy and narrowed towards apex, apex subacute, 3-3.5 × 1-1.5 mm, lip ovate, base concave, spurless, 3-4 × 2-2.5 mm, 3-lobed above middle, lateral lobes triangular, obtuse; mid-lobe narrowly triangular, apex acute, 1 mm long. Column 0.7 mm tall, pollinia globose; caudicles indistinct, viscidia involute, horn-like, rostellum triangular, stigma transversely oblong, situated below the rostellum. Fruit oblong, 4-5 mm long.

Flowering time.

July-August.

Habitat.

Terrestrial on wet cliff ledge at elevations of 3900-4000 m.

Distribution.

Bhutan, China.

Specimens examined.

CHINA: Tibet, Yadong county, Xiakangbu to Shangkangbu , Road 714, 71 km, 3965 m, 24.08. 2013, FLPH Expidition Team, 13-2115 (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.