Acanthaceae
Limestone wild petunia
Ruellia strepens
- Family
- Acanthaceae
- Genus
- Ruellia
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Common names
By language (2)
- English
- Limestone wild petunia
- German
- Kahle Ruellie
Synonyms
- Dipteracanthus micranthus Engelm. & A.Gray
- Dipteracanthus oblongatus Nees
- Dipteracanthus strepens C.Presl
- Dipteracanthus strepens f. pedunculatus Nees
- Dipteracanthus strepens var. calycinus Nees
- Dipteracanthus strepens var. clandestinus Nees
- Dipteracanthus strepens var. dillenii Nees
- Dipteracanthus strepens var. strictus (Nees) Nees
- Dipteracanthus strictus Nees
- Hygrophila illinoiensis A.Gray
- Ruellia biflora Balb. ex Nees
- Ruellia foliosa Schwein. ex Nees
- Ruellia oblongifolia Nees
- Ruellia ovata Nees
- Ruellia strepens f. alba Steyerm.
- Ruellia strepens f. cleistantha (A.Gray) S.McCoy
- Ruellia strepens f. strepens
- Ruellia strepens var. cleistantha A.Gray
- Ruellia strepens var. micrantha (Engelm. & A.Gray) Britton
- Ruellia vinciflora DC. ex Nees
Flowers
- Flower colour
- purple (USDA PLANTS Database)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Lower 48 states: native
Photos

Photo: Salicyna, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Salicyna, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons 
Photo: Alex Abair, CC BY 4.0, from Wikimedia Commons
More in Ruellia
- MinnierootRuellia tuberosaAcanthaceae
- Mexican petuniaRuellia simplexAcanthaceae
- Browne's blechumRuellia blechumAcanthaceae
- Tropical wild petuniaRuellia brevifoliaAcanthaceae
- Ruellia elegansAcanthaceae
- Ruellia geminifloraAcanthaceae
- Ruellia asperulaAcanthaceae
- Brazilian wild petuniaRuellia devosianaAcanthaceae
- Fringe-leaf wild petuniaRuellia humilisAcanthaceae
- Prostrate wild petuniaRuellia prostrataAcanthaceae
- Carolina wild petuniaRuellia caroliniensisAcanthaceae
- Peruvian wild petuniaRuellia chartaceaAcanthaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.