Cyrtostylis robusta

Flowering plant 4–19 cm tall. Leaf cordate, kidney-shaped or circular, 16–53 mm long, 18–50 mm wide, light to medium green above, partially transparent below. Flowers 2–7, pinkish-red, c. 13 mm long; pedicel (including ovary) 5–11 mm long, subtended by bract less than half as long; dorsal sepal erect or incurved, linear-tapering, 10–13 mm long, obtuse; lateral sepals similar to dorsal sepal but projected forwards or spreading, usually under labellum; petals spreading or down-curved, linear, narrower than sepals but similar in length. Labellum projecting horizontally forward or somewhat decurved, sessile, oblong, 10–15 mm long, 4–6 mm wide, apex usually roundish with short tapered point, margins at distal end scalloped. Flowers Jul.–Sep.