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Dorsal sepal 4–5.2 × 1.5–3 mm, triangular, acute, not recurved; lateral sepals free, sometimes slightly recurved, 3.8–5.2 × 1.5–3 mm, triangular; petals 2.5–3.2 × 0.25–0.5 mm, spathulate to linear, slightly falcate.
Pseudobulbs 3–13 cm apart on the rhizome, 2-leaved, sometimes 1-leafed, 3–7.5 × 1–3 cm, ovoid or ellipsoid, somewhat flattened, sharply 4-angled.
Flowers distichous, several opening together, not opening widely, yellow-spotted and streaked with dark red or purple.
Leaves up to 25 × 4 cm, lanceolate or linear-lanceolate, obtusely emarginate at the apex.
Lip 1.5–2.4 × 0.8–1.7 mm, rectangular, reflexed at the apex, denticulate on the margins.
Pollinia 4, ellipsoid, the larger ones more than twice as long as smaller.
Column 1.8–2.6 mm long, including deltoid acute stelidia 0.3–0.5 mm long.
Flowers yellow with red spots, red or dark purple
Bracts pale brown with purplish tinge.
Epiphytic (lithophytic) herb.
Rhizome 2–5 mm in diameter.
