Caladenia filamentosa
R.Br. Daddy Long-legsFlowering plant 25–45 cm tall, often in clumps. Leaf narrow-linear, 10–18 cm long, 4–7 mm wide. Flowers 1 or 2 (rarely 3 or 4); perianth segments crimson or pale red with pale margins, spreading, basal quarter flattened; sepals 5–7 cm long, 2.5–3 mm wide, tapered to a filiform drooping tail, densely covered in glandular hairs; petals 4–6 cm long, c. 2 mm wide, erect to spreading with drooping tips. Labellum curved forward with apex recurved and lateral lobes erect; lamina ovate, obscurely 3-lobed, 5–8 mm long and 3.5–5 mm wide (when flattened), crimson, sometimes whitish, margins entire at base, with numerous short broad teeth along lateral lobes, apical portion entire; lamina calli fleshy, flattened, in 2 close-set rows from base to bend. Flowers Sep.–Nov.
LoM, MuM, Wim, GleP, Brid, VVP, GipP, OtP, Gold, CVU, GGr, EGL, EGU, HSF, HNF. Also WA, SA, NSW, Tas. Widespread across Victoria from the Wimmera to far East Gippsland in mallee scrub, open forest and heathy woodlands on well-drained soils.
Similar to C. capillata, but that species is generally shorter and has predominantly white to cream flowers with fewer pairs of calli on the labellum lamina.
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.