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Ruellia terminale_cleistogamous flowers.jpg Ruellia purshiana2.jpg Ruellia humilis.jpg Ruellia megachlamys.jpg Ruellia humboldtiana.jpg Ruellia malaca_nectary.jpg Dyschoriste hirsutissima.jpg

Acanth Fact of the Day

A major clade within Acanthaceae is the cystolith clade. Cystoliths are anatomical structures found in leaves and are thought to be composed of calcium carbonate or calcium oxalate. Their function is unknown.
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Store: 12-31-1969 17:00
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Last modified by: Ryan Stanfield
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