Terrestrial herb, slender, geophyte, up to 0.4 m high; with furry roots. Leaves cauline and forming basal cluster, many, narrowly linear, up to 65 mm long. Inflorescence a dense terminal raceme. Flowers 6-many, sepals pale purplish green to pink, petals and lip white, rostellum maroon. Sepals subequal; median sepal adnate to petals, reflexed, 5 mm long; lateral sepals spreading. Petals unlobed, lanceolate-ovate, 6 mm long. Lip 5 mm long, cordate; rostellum arms 4 mm long. Flowering time Nov.-Jan., after fire.
Like C. atrata but flowers many in a corymbose raceme, sepals pale purplish green to pink, petals and lip white, lateral sepals ± 5-7 mm long, lip spathulate, appendage absent, rostellum arms ± 4 mm long.