Tropidia viridifusca Kraenzl.

Stems erect, 150–300 mm long, thin, fibrous. Leaves 4–7 per stem, 50–150 × 10–20 mm, dark green, thin-textured, plicate, 3 veins prominent. Flower stem about 10 mm long, 2–7-flowered. Flowers crowded, opening widely, 8–10 × 6–8 mm, green and brown with black labellum. Dorsal sepal 8–9 × 3–4 mm, obliquely deflexed. Lateral sepals 8–9 × 3–4 mm, humped, divergent, recurved. Petals 7–8 × 2 mm, porrect. Labellum black, sharply pointed, 6–8 × 2.5–3 mm, basal pouch thick.

Highly localised; found growing on slopes in shady forest.