Caladenia xantha

perennial, deciduous, herb with an underground tuber and a single erect, hairy leaf, 80–200 mm long and 3–5 mm wide. Up to three pale to bright yellow flowers, 60–100 mm long and 70–100 mm wide are borne on a stalk 180–260 mm tall. The sepals and petals have dark brown, thread-like tips. The dorsal sepal is erect, 60–80 mm long and about 2 mm wide. The lateral sepals are 40–60 mm long, about 3 mm wide and curve downwards. The petals are 30–50 mm long, 2–3 mm wide and arranged like the lateral sepals. The labellum is 10–15 mm long, 7–10 mm wide and creamy-yellow with brown stripes and spots. The sides of the labellum are serrated, the tip is curled downwards and there are two rows of anvil-shaped, cream-coloured calli along the mid-line. Flowering occurs from July to early September.^[2][3][4]

biogeographic regions where it grows in well-drained soil under wandoo and sheoak trees.^[2][3][4][6]