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Petalidium ramulosum_pollen.jpg Ruellia terminale.jpg Ruellia chartacea.jpg Ruellia menthoides.jpg Ruellia californica.jpg Dyschoriste thunbergiiflora.jpg diversity of Ruellia flowers.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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