Caladenia cardiochila

Flowering plant 10–30 cm tall. Leaf 6–10 cm long, 3–8 mm wide, sometimes dotted red at base. Flowers 1 or 2; perianth segments 1.7–2.5 cm long, yellowish green with red stripes, sometimes wholly reddish; dorsal sepal c. 3 mm wide, erect or recurved; lateral sepals 3–5 mm wide, deflexed, hardly divergent and sometimes crossing, asymmetrically lanceolate, sometimes abruptly acuminate; petals c. 2 mm wide, spreading to deflexed, similar to sepals but narrower. Labellum curved forwards, cordate or broadly ovate, 3-lobed, 9–12 mm long and 8–10 mm wide (when flattened), yellowish-green with red markings (mostly on margins, veins and mid-lobe), lateral lobes more or less flat or curved slightly upwards, tip deflexed or slightly decurved; margins thickened and dark brown around mid-lobe, more or less entire; lamina calli in 2 or 4 crowded rows not or hardly extending onto mid-lobe (usually occupying less than two-thirds of labellum and finishing more than 3 mm from tip), stout and club-shaped, fleshy, dark-coloured. Flowers Sep.–Nov.