Caladenia venusta
G.W.Carr White Spider-orchidFlowering plant 20–60 cm tall. Leaf 10–18 cm long, 8–12 mm wide, reddish at base. Flowers 1–2(–3), fragrance resembling mouldy oranges; perianth segments 4.5–10 cm long, white to cream with brownish glandular tips, lateral sepals and petals drooping; sepals flattened at base, 2–7 mm wide, abruptly tapered to a long tail densely covered in glandular hairs; petals shorter than sepals but otherwise similar. Labellum curved forward with apex recurved and lateral lobes erect, lamina ovate, obscurely 3-lobed, 16–25 mm long and 10–15 mm wide (when flattened), white or cream with deep-red calli; margins of lateral lobes fringed with linear calli mostly 2–3.5 mm long, margins of mid-lobe with shorter calli becoming tooth-like near tip; lamina calli in 4 or 6 rows, extending well onto mid-lobe, narrow, foot-shaped, to c. 2 mm long at base of lamina, decreasing in size towards apex. Flowers Sep.–Nov.
Wim, GleP, VVP, GipP, OtP, Gold, GGr, DunT, HSF. Also SA. In woodlands and heathy woodland west of Port Phillip Bay, usually coastal or subcoastal but also in the Grampians, on well-drained or moisture-retentive soils.
Hybrids with Caladenia tentaculata often occur where the two species grow together.
Entwisle, T.J. (1994). Orchidaceae. In: Walsh, N.G.; Entwisle, T.J., Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons, pp. 740–901. Inkata Press, Melbourne.