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Ruellia lactea_rosette form.jpg diversity of Ruellia flowers.jpg Ruellia elegans_Anthocyanidin Synthase Chromatogram copy.jpg Eranthemum nervosum.jpg Sanchezia sp._albino morph.jpg Ruellia hirsutoglandulosa.jpg Heteradelphia paulojaegeria.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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