Caladenia brownii Hopper 2001 SUBGENUS Arachnorchis

Photo by Geoff Derrin and The Wikipedia Website

Comparison shot of C brownii, C serotina and a natural hybrid between the 2 Photo by Ron Heberle of Australia

Common Name Brown's Caladenia- Karri Spider Orchid

Flower Size 2 to 3.2" [5 to 8 cm] Found in Western Australia at elevations of 20 to 60 meters in open forests, woodlands, coastal scrub and heath as a medium sized, cold growing terrestrial orchid with a single leaf that blooms in the spring on an erect, 12 to 24" [30 to 60 cm] long, 1 to 3 flowered inflorescence.

The Second Photo by Ron Heberle. The flower on the left is Cal browni, the figure in the middle is Cal serotina and the flower on the right is a hybrid between the two.

Synonyms Arachnorchis brownii (Hopper) D.L.Jones & M.A.Clem. 2002; Calonemorchis brownii (Hopper) Szlach. & Rutk. 2003

References W3 Tropicos, Kew Monocot list , IPNI ; Orchid Digest Vol 66 #3 2002 photo ok; Native Orchids of Australia Jones 2006 as Arachnorchis brownii photo good; Orchid Digest Vol 80 #2 2016 photo fide;