Ruellia asperula is a species of shrub in the family Acanthaceae. They are native to Caatinga. Flowers are visited by Xylocopa cearensis, Neoxylocopa, Polybia ignobilis, and Strymon rufofusca.

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EOL has data for 9 attributes, including:

Known occurrences, collected specimens and observations of Ruellia asperula (Mart. ex Ness) Lindau. View this species on GBIF