宽叶角盘兰 kuan ye jiao pan lan

Peristylus tangianus S. Y. Hu, Quart. J. Taiwan Mus. 27: 461. 1974, based on P. ecalcaratus Tang & F. T. Wang, Acta Phytotax. Sin. 1: 64. 1951, not Finet (1901), based on Herminium latifolium Gagnepain, Bull. Mus. Natl. Hist. Nat., sér. 2, 3: 325. 1931, not (A. Richard) Lindley (1832).

Plants 20-30 cm tall. Tubers subglobose to oblong-ellipsoid, 10-20 mm. Stem with 2 or 3 tubular sheaths at base, 2-leaved. Leaves basal, orbicular or elliptic, 2.5-5 × 2-2.5 cm, apex subacuminate. Peduncle cylindric, with several triangular-lanceolate sterile bracts, lower one often foliaceous; rachis 4-10 cm, many flowered; floral bracts lanceolate, 6-7 mm, slightly shorter than ovary, apex acuminate. Flowers white; ovary ca. 8 mm including pedicel. Dorsal sepal ovate, ca. 2.5 × 1.6 mm, 1-veined, apex obtuse; lateral sepals oblanceolate, ca. 2.6 × 1 mm, 1-veined, apex obtuse. Petals ovate, oblique, 1.2-2.4 × ca. 1.2 mm, 1-veined, 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. Fl. unknown.

● Moist grasslands. C Yunnan.