Pholidota, commonly known as rattlesnake orchids,[2] is a genus of flowering plants from the orchid family, Orchidaceae. Plants in this genus are clump-forming epiphytes or lithophytes with pseudobulbs, each with a single large leaf and a large number of small, whitish flowers arranged in two ranks along a thin, wiry flowering stem that emerges from the top of the pseudobulb. There are about thirty five species native to areas from tropical and subtropicalAsia to the southwestern Pacific.
Orchids in the genus Pholidota are sympodial epiphytic, lithophytic or, rarely, terrestrialherbs with pseudobulbs, each with one or two large, stalked leathery leaves. A large number of small flowers are arranged in two ranks along a thin, wiry flowering stem that emerges from the top of the pseudobulb. There is a large, papery bract at the base of each flower. The flowers are white, cream-coloured, yellowish or pinkish with a concave dorsalsepal and smaller petals. The labellum is rigidly fixed to the base of the column and there is a deep sac-like structure at its base.[2][3][4][5]
The genus Pholidota was first formally described in 1825 by John Lindley who published the description in Hooker'sExotic Flora, Containing Figures and Descriptions of New, Rare or Otherwise Interesting Exotic Plants.[6][7][8] The name Pholidota is derived from the Ancient Greek word pholidotos meaning "clad in scales",[9] referring to the large bracts at the base of the flower in some species.[3]
1 2 "Pholidota". Australian Plant Census. Retrieved 20 October 2025.
1 2 Jones, David L. (2006). A complete guide to native orchids of Australia including the island territories. Frenchs Forest, N.S.W.: New Holland. p.472. ISBN1877069124.
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