Plants terrestrial, slender, up to 0.18 m high. Leaves basically clustered, narrowly elliptic, acute, up to 60 x 10 mm. Inflorescence dense, up to 60 mm long, 2-many flowers. Flowers pale greenish yellow, 24 x 15 mm. Sepals unequal; median sepal narrowly elliptic, acute, 7-11 x 2-3 mm, adnate to petals; lateral sepals spreading to reflexed, suboblique, acute, 9-10 x 3 mm. Petals subdeltate, outer margin crenulate, 7-12 x 6-7 mm. Lip with 2 broad diverging lobes, apex erose, 5-7 x 2-5 mm, and a small pointed midlobe, 1.5 mm long, appendage 6-8 x 3 mm, spathulate, with an apical hooding gland. Flowering time Aug.-Oct.
Slender, tuberous geophyte to 20 cm. Leaves clustered basally, narrowly elliptic. Flowers 2-many in a fairly dense raceme, ± 24 x 15 mm, pale greenish yellow, lip with 2 broad lobes and a small pointed midlobe, appendage spathulate, 6-8 x 3 mm.