狭翅羊耳蒜 xia chi yang er suan

Liparis bootanensis Griffith var. angustissima S. C. Chen & K. Y. Lang.

Herbs, epiphytic. Pseudobulbs borne close together, ovoid-conic, to 3 × 1.2 cm, binodal. Leaf 1, erect, oblanceolate to oblong, to 19 × 2.3 cm, stout, conduplicate toward base, apex acute. Inflorescence sublaxly ca. 35-flowered; peduncle arcuate, to 10 cm, distinctly winged; rachis to 13 cm; floral bracts subulate, ca. 3 mm, apex acuminate. Flowers yellow-white, not resupinate, arcuately bent downward with lip outwardly directed; pedicel and ovary 8-9 mm. Dorsal sepal oblong to lanceolate, 3.5-5.3 × ca. 1.2 mm, 1-veined, apex obtuse; lateral sepals ovate-lanceolate, 3.5-5.2 × ca. 1.4 mm, 3-veined, apex acute. Petals linear, 3-5.1 × ca. 0.4 mm, 1-veined, apex obtuse; lip rectangular, 4.8-5.2 × 2.6-4 mm, slightly constricted near middle, usually ± notched at apex, basal auricles very small, fleshy in basal portion with a small thickening perpendicular to veins, apical margin almost entire. Column ca. 3 mm, with narrow wings. Fl. Nov.

Guangxi, Guizhou [Laos, Vietnam].

The type is from Guizhou ("Kouy-Tcheou: Houang-tre-a").