Caladenia formosa G.W.Carr

Indig. Flora & Fauna Assoc. Misc. Pap. 1: 4 (1991) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:EPBC: vulnerable (VU); Victoria: vulnerable (v); listed in Flora and Fauna Guarantee Act 1988

Flowering plant 20–60 cm tall. Leaf 8–15 cm long, 5–12 mm wide. Flower usually solitary, sometimes 2; perianth segments 4–8 cm long, pinkish-red to deep blood red; sepals flattened at base, 2–6 mm wide, tapered to a long tail densely covered in crowded, elongate glands and glandular hairs; petals shorter than sepals but otherwise similar. Labellum curved forward with apex recurved and lateral lobes erect, lamina ovate-cordate, very obscurely 3-lobed, 15–20 mm long and 9–12 mm wide (when flattened), blood red; margins of lateral lobes fringed with linear calli to 2 mm long; margins of mid-lobe with shorter calli becoming toothlike and broader towards tip; lamina calli in 4 or 6 rows, extending almost to tip, foot-shaped, to 1.5 mm long at base of lamina, decreasing in size towards apex. Flowers Sep.–Oct.

DunT, Glep, Gold, GGr, Wim. Also SA. Apparently restricted to south-west Victoria near Dergholm (type locality), where occurring in open woodland in sandy soil.

Similar to C. concolor, but with larger, brighter, blood-red flowers and the labellum margins toothed all the way to the apex.

Caladenia formosa hybridizes with C. venusta at the type locality.

Source: Entwisle, T.J. (1994). Orchidaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria Vol. 2, Ferns and Allied Plants, Conifers and Monocotyledons. Inkata Press, Melbourne.
Updated by: Jeff Jeanes, 2015-04-30
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
family Orchidaceae
genus Caladenia
Higher taxa


Source: AVH (2014). Australia's Virtual Herbarium, Council of Heads of Australasian Herbaria, <>. Find Caladenia formosa in AVH ; Victorian Biodiversity Atlas, © The State of Victoria, Department of Environment and Primary Industries (published Dec. 2014) Find Caladenia formosa in Victorian Biodiversity Atlas
  Bioregion Occurrence status Establishment means
Wimmera present native
Glenelg Plain present native
Goldfields present native
Greater Grampians present native
Dundas Tablelands present native

State distribution

Distribution map
Western Australia
South Australia
New South Wales