Caladenia clavigera

Flowering plant 15–40 cm tall. Leaf 5–20 cm long, 5–12 mm wide. Flowers 1 or 2; perianth segments 2.5–3.5 cm long, yellowish-green with a broad reddish central stripe; lateral sepals and petals spreading or deflexed, divergent; sepals flattened at base, 2–3.5 mm wide, tapered to a filiform, often clubbed apex (club 1–5 mm long, with blackish, contiguous, sessile glands); petals similar to sepals but shorter, without clubs. Labellum curved forwards, cordate, obscurely 3-lobed, 10–14 mm long and 8–10 mm wide (when flattened), whitish to greenish with dark red mid-lobe and central portion, lateral lobes more or less flattened but becoming recurved towards mid-lobe; margins usually entire; lamina calli in 4 or 6 rows, well separated, not extending onto mid-lobe, linear, bent. Flowers Sep.–Nov. (to Jan. in high country).