Caladenia longicauda subsp. rigidulus Hopper & A.P.Br.
WANOSCG Orchid Fact Sheet
Caladenia longicauda subsp. rigidulus
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Name and Authority
Synonyms (previous names)
Arachnorchis longicauda subsp. rigidula
Common Name
Rigid White Spider Orchid
Complex Name
Caladenia longicauda (White Spider Orchids)
Originally Described by
Stephen Hopper & Andrew Brown in Nuytsia 14(1-2):120-122 (2001)
Distribution and Habitat
Ravensthorpe to Israelite Bay, growing in soil pockets on granite outcrops and occasionally also in adjacent woodlands.
Flowering Months
· · · · · · · Aug Sep Oct · ·
Description
A common eastern subspecies 250–400 mm high with a hairy leaf 100–250 mm long by 6–15 mm wide and up to three creamy-white flowers 80–100 mm across.
Distinguishing Features
It is distinguished from the related subsp. insularis by its larger insect pollinated rather than self-pollinating flowers and inland range of distribution.
WA Conservation Code (Threatened Status)
Not Listed
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