Caladenia calcicola

Victoria - South Australia

perennial, deciduous, herb with an underground tuber and a single lance-shaped, hairy leaf, 5–13 cm (2–5 in) long, 4–15 mm (0.2–0.6 in) wide. A single 35–40 mm (1–2 in) wide is borne on a hairy spike 11–22 cm (4–9 in) high. (On rare occasions there are two flowers and sometimes the spike is up to 28 cm (10 in) high.) The lateral sepals and petals are pale, glossy yellow with a red stripe down the centre. The lateral sepals spread widely, turn downwards, 1–4 cm (0.4–2 in) long, 2–4 mm (0.08–0.2 in) wide and taper to thread-like, glandular, yellow to reddish tips 2–9 mm (0.08–0.4 in) long. The petals are slightly shorter than the sepals and taper to a thin, pointed end. The labellum is 8–15 mm (0.3–0.6 in) long, 7–11 mm (0.3–0.4 in) wide when flattened, partly red and yellowish-cream coloured near its base. The sides of the labellum have linear teeth up to 1 mm (0.04 in) long, decreasing in size towards the front. There are four or six rows of flattened calli along the centre of the flat part of the labellum. Flowering occurs from mid-September to early November.^{[2][3][4][5][6]}