Herminium tangianum (S. Y. Hu) K. Y. Lang, Acta Phytotax. Sin. 25: 458. 1987.

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 : 40

46. Herminium tangianum (S. Y. Hu) K. Y. Lang, Acta Phytotax. Sin. 25: 458. 1987.

Herminium latifolium Homotypic synonyms: Gagnep., Bull. Mus. Natl. Hist. Nat., sér. 2, 3: 325. 1931, not (A. Rich.) Lindl. 1832 (= Benthamia chlorantha (Spreng.) Garay & G.A. Romero).

P. ecalcaratus Tang & F. T. Wang, Acta Phytotax. Sin.1: 64. 1951, not Finet 1901.

Basionym.

Peristylus tangianus S. Y. Hu, Quart. J. Taiwan Mus. 27: 461. 1974.

Type.

CHINA. Yunnan, 20.08.1906, Ducloux F., 3971 (Holotype P! [P00378693]) .

Description.

Plant 20-30 cm tall. Tubers subglobose to oblong-ellipsoid, 10-20 mm. Stem with 3-4 tubular sheaths at base and 2-3 subbasal leaves. Leaves orbicular or elliptic, 2.1-5 × 2-2.6 cm, apex subacute to acuminate. Peduncle cylindrical, with several triangular lanceolate peduncle-scales, rachis 4-10 cm, subdensely many-flowered; floral bracts lanceolate, 6-7 mm, slightly shorter than ovary, apex acuminate. Flowers white; pedicel and ovary twisted, beaked, ca. 8 mm. Dorsal sepal ovate, ca. 2.5 × 1.6 mm, apex obtuse; lateral sepals oblanceolate, ca. 2.6 × 1 mm, apex obtuse. Petals ovate, oblique, 1.2-2.4 × ca. 1.2 mm, apex obtuse. Lip decurved, ovate-pandurate, ca. 2.5 × 1.4 mm, somewhat fleshy, base dilated and shallowly concave, contracted near middle, margin entire, apex dilated and obtuse. Column short; viscidia elliptic, ca. 0.8 mm.

Flowering time.

August.

Distribution.

China (Yunnan).

Note.

Our description is based on Chen et al. (2009).