Caladenia venusta G.W.Carr

White Spider-orchid

Indig. Flora & Fauna Assoc. Misc. Pap. 1: 17 (1991) APNI

Taxonomic status:Accepted

Occurrence status:Present

Establishment means:Native

Threat status:Victoria: rare (r)

Flowering 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.

DunT, GipP, Glep, Gold, GGr, OtP, VVP, Wim. 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.

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: Val Stajsic, 2018-02-15
Hero image
Distribution map
life Life
kingdom Plantae
phylum Tracheophyta
superorder Lilianae
order Asparagales
family Orchidaceae
genus Caladenia
Higher taxa

Victoria

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

State distribution

Distribution map
State
Western Australia
South Australia
Victoria
Tasmania