Caladenia flava R. Br. 1810 SUBGENUS Caladenia Photo courtesy of Ron Heberle and the Thelymitra Page of The Species Orchid Society of Western Australia
Another Color Variation Photo courtesy of Ron Parsons.
to 
MID
THROUGH MID 
Common Name The Yellow Caladenia - The Cowslip Orchid
Flower Size 2" [to 5 cm]
Found in SW Australia in coastal woodlands to inland granite outcrops at elevations around 2150 meters as a small to medium sized, cold to cool growing terrestrial orchid with glandular, pubescent stems carrying pubescent, lanceolate leaves and blooms on a 4 to 20" [10 to 40 cm] long, 2 to 4 flowered inflorescence occuring in the mid summer through mid fall in the northern hemisphere.
Synonyms Caladenia flava subsp. maculata Hopper & A.P.Br. 2001; Caladenia flava subsp. sylvestris Hopper & A.P.Br. 2001; Caladeniastrum flavum (R.Br.) Szlach 2003
References W3 Tropicos, Kew Monocot list , IPNI ; AOS Bulletin Vol 29 No 3 1960; AOS Bulletin Vol 35 No 4 1966; Orchid Digest Vol 45 No 4 1981 photo ok; The Plants of Mount Kinabalu Vol 2 Orchids Wood Beaman & Beaman 1993; A Checklist of the Orchids of Borneo Wood & Cribb 1994; Manual of Orchids Stewart 1995; Botanica's Orchids Laurel Glen 2002; AOS Bulletin Vol 72 No 3 2003 photo; Flora's Orchids Nash & La Croix 2005; Australian Orchid Review Vol 71 No 1 2006 photo; Native Orchids of Australia Jones 2006
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