Epiphytic herbs. Roots slender, flexuose. Pseudobulbs clustered, ovoid-fusiform, 

slightly compressed laterally, 1–2 × 0.5–1 cm, upper half with 4–5 widely spaced leaves. 

Leaf blade ovate-oblong, 1.8–2.3 × 0.8–1.2 cm, apex acuminate, base contracted into a 

short petiole, articulate, margins of their apical half slightly crispate.

Peduncle 7–10 cm 

long, with several sterile bracts 2–5 mm long; raceme with 7–10 flowers arranged in 

zigzag manner. Floral bracts broadly ovate with cordate base, 2–3 × 1–1.5 mm, acute. 

Flowers greenish-orange; pedicel and ovary ca. 7 mm long. Dorsal sepal broadly ovate 

with cordate base, 3.2–5 × 3–3.6 mm, 1-veined, abaxially carinate, apex acute; lateral sepal oblong-ovate or ovate-lanceolate, 5–6 × ca. 0.6 mm long, abaxially slightly 

carinate. Petals narrowly linear, 3–4 × ca. 0.2 mm; lip elliptic, 2–3 × ca. 1 mm, apex 

apiculate, base bearing a bituberculate callus, then expanded on each side into a thickened, folded, rounded lobe, with 1 excavation with raised margins between the lobes. 

Column straight, ca. 2 mm long, with a pair of subtriangular, obtuse wings on each 

side near the middle and a ridge on the back of the column. Anther cap hemispherical, 

pale yellow; pollinia 4 in 2 pairs with one pollinium of each pair smaller than the other, 

waxy, brownish, with minute apical viscidium