中越羊耳蒜 zhong yue yang er suan

Herbs, epiphytic. Pseudobulbs clustered, ovoid to subglobose, 5-7 × 4-5 mm, enclosed by 3 or 4 green herbaceous sheaths. Leaf 1, ligulate to ligulate-oblanceolate, 5-6 × 0.6-0.8 cm, base contracted, articulate, apex acute. Inflorescence 3-7 cm; peduncle 1.5-3.5 cm; rachis 1.5-3.5 cm, sublaxly 7-20-flowered; floral bracts lanceolate, 3.5-4 mm, apex acute. Flowers pale green; pedicel and ovary 2-2.5 mm. Dorsal sepal oblong, ca. 2.5 × 1 mm, 1-veined, apex obtuse; lateral sepals obliquely oblong, ca. 2.5 × 1 mm, 1-veined, apex subacute. Petals linear, ca. 2.5 × 0.25 mm, apex obtuse; lip lower half broadly obovate, upper half transversely suborbicular, ca. 3 × 2 mm, base with 2 widely separated calli, apex irregularly dentate, apiculate. Column ca. 2 mm, not winged, slightly curved apically. Fl. Jun.

Forests. Yunnan [Laos, Vietnam].