Southern Spider-orchid

Southern Spider-orchid
Photographer
Gary Backhouse
Common Name
Southern Spider-orchid
Scientific Name
Caladenia australis
Size
30cm
Leaf Description
Single lance-shaped leaf to 8cm x 10mm, sparsely hairy.
General Description
An attractive creamy-yellow orchid, to 30cm, with a single erect, narrow leaf at the base of a hairy stem bearing a large, pale, creamy-yellowish green and red-brown spider flower.
Flower Description
1 or 2 creamy green flowers to 60mm across, with a light reddish stripe. Sepal with a dark red clubbed tip, dorsal sepal curving forward. Petals similar to sepals but without thickened tips. Labellum yellow to deep red, with 4-6 rols of calli becoming smaller towards tip. Margins of the labellum lined with fine brown thickened teeth.
Flower Colour
Creamy-yellowish green with red-brown
Suburb
Eltham, Plenty, Diamond Creek, Research
Notes
Potentially extinct in Nillumbik.
Flowering Months
September
October
November
Habitat
Grassy Dry Forests and Heathy Woodlands.
Date of Last Record
1900-1949
Growing Conditions
Well drained soil
Conservation Status Vic
Poorly known