Plant: leaf, short erect, wide, channelled, keeled.

Flowers: up to ten, 15mm diameter, usually dark blue to mauve sometimes pink or white, with darker spotted petals, rarely unspotted. Petals and sepals cupped. Back of the column blue or the base colour, rounded at the top. Column top pale pink fading to dark brown on the top. usually with a horseshoe of bright yellow around the opening. Back usually studded with dark warts.

Flowering: October to November.

Habitat: clays, dappled or full sun; scrub or forest margins. Throughout.

Conservation: widespread, common; not threatened.

Notes: the most common Thelymitra with spotted flowers. T. decora is a later synonym.

Key features: spotted petals, rounded column top with a warty back.

A diploid hybrid of T longifolia & T ixioides and therefore variable. Features of each parent show to varying degrees in different specimens. Unspotted flowers sometimes occur.