Caladenia longicauda subsp. extrema

Caladenia longicauda subsp. extrema A.P.Br. & G.Brockman

Caladenia longicauda subsp. “Manjimup”

Late White Spider Orchid

Caladenia longicauda (White Spider Orchids)

Andrew Brown & Garry Brockman in Nuytsia 25:103-105, Fig. 31 (2015)

Bridgetown to Tone River, growing in clay and sandy-clay soil on the edges of seasonally wet flats and creek lines.

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A rare, late flowering subspecies 160–400 mm high with a hairy leaf 100–170 mm long by 5–12 mm wide and up to two creamy-white flowers 60–90 mm across.

It is distinguished from the similar subsp. redacta by its broader labellum and later flowering period (peaking in late October, compared to mid-September for subsp. redacta). From the co-occurring Christmas Spider Orchid (C. serotina) it is distinguished by its earlier flowering period.

Priority One