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Most habitat and range descriptions were obtained from Weakley's Flora.
Your search found 17 taxa in the family Acanthaceae, Acanthus family, as understood by Weakley's Flora.

Common Name: Carolina Elytraria
Weakley's Flora: (11/30/12) Elytraria caroliniensis var. caroliniensis FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Elytraria caroliniensis var. caroliniensis FAMILY: Acanthaceae
INCLUDED WITHIN Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Elytraria caroliniensis 171-01-001 FAMILY: Acanthaceae
Look for it in swamp forests over coquina limestone ("marl")
Uncommon
Native to South Carolina & Georgia

Common Name:
Blue Twinflower, Pineland Dyschoriste, Oblong Twinflower
Weakley's Flora: (11/30/12) Dyschoriste oblongifolia FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Dyschoriste oblongifolia FAMILY: Acanthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Dyschoriste oblongifolia 171-02-001 FAMILY: Acanthaceae
Look for it in pine savannas, flatwoods, & sandhills
Uncommon (rare in Piedmont)
Native to South Carolina & Georgia

Common Name:
Swamp Twinflower, Swamp Dyschoriste
Weakley's Flora: (11/30/12) Dyschoriste humistrata FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Dyschoriste humistrata FAMILY: Acanthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Dyschoriste humistrata 171-02-002 FAMILY: Acanthaceae
Look for it in bottomland forests, especially on soils over limestone
Uncommon in GA, rare in SC
Native to South Carolina & Georgia

Common Name:
Limestone Wild-petunia, Glade Wild-petunia, Smooth Wild-petunia
Weakley's Flora: (11/30/12) Ruellia strepens FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Ruellia strepens FAMILY: Acanthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Ruellia strepens 171-03-001 FAMILY: Acanthaceae
Look for it in calcareous forests
Rare south of VA
Native to the Carolinas & Georgia

Common Name: Pineland Wild-petunia
Weakley's Flora: (11/30/12) Ruellia pinetorum FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Ruellia pedunculata ssp. pinetorum FAMILY: Acanthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Ruellia pinetorum 171-03-002 FAMILY: Acanthaceae
Look for it in dry to wet pinelands
Rare
Native to South Carolina & Georgia

Common Name:
Pursh's Wild-petunia
Weakley's Flora: (11/30/12) Ruellia purshiana FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Ruellia purshiana FAMILY: Acanthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Ruellia purshiana 171-03-003 FAMILY: Acanthaceae
Look for it in dry woodlands and forests, especially over mafic or calcareous rocks
Uncommon (rare in Mountains, rare in NC)
Native to the Carolinas & Georgia

Common Name:
Mexican Bluebell
Weakley's Flora: (5/21/15) Ruellia simplex FAMILY: Acanthaceae
SYNONYMOUS WITH (ORTHOGRAPHIC VARIANT) PLANTS National Database: Ruellia caerulea FAMILY: Acanthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Ruellia brittoniana 171-03-004 FAMILY: Acanthaceae
Look for it in disturbed areas (it's commonly cultivated, especially in maritime situations along the south Atlantic and Gulf coasts)
Rare
Non-native: Mexico

Common Name:
Hairy Wild-petunia, Low Wild-petunia, Glade Wild-petunia
Weakley's Flora: (11/30/12) Ruellia humilis FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Ruellia humilis FAMILY: Acanthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Ruellia humilis 171-03-005 FAMILY: Acanthaceae
Look for it in calcareous or mafic glades and woodlands
Rare
Native to the Carolinas & Georgia

Common Name:
Sandhills Wild Petunia, Dwarf Wild Petunia
Weakley's Flora: (2/8/20) Ruellia ciliosa FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Ruellia caroliniensis ssp. ciliosa var. cinerascens FAMILY: Acanthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Ruellia ciliosa 171-03-006 FAMILY: Acanthaceae
Look for it in sandhills, particularly in loamy, submesic swales
Uncommon in GA, rare in NC-SC
Native to the Carolinas & Georgia

Common Name:
Carolina Wild-petunia, Common Wild-petunia, Hairy Ruellia
Weakley's Flora: (11/30/12) Ruellia caroliniensis FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Ruellia caroliniensis ssp. caroliniensis var. caroliniensis FAMILY: Acanthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Ruellia caroliniensis 171-03-007 FAMILY: Acanthaceae
Look for it in dry to moist forests & woodlands
Common
Native to the Carolinas & Georgia

Common Name:
Night-flowering Wild Petunia, Night-blooming Wild Petunia
Weakley's Flora: (10/20/20) Ruellia noctiflora FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Ruellia noctiflora FAMILY: Acanthaceae
Look for it in wet pinelands and savannas
Rare (an endemic)
Native to Georgia

Common Name:
Branched Foldwing, Dicliptera
Weakley's Flora: (11/30/12) Dicliptera brachiata FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Dicliptera brachiata FAMILY: Acanthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Dicliptera brachiata 171-04-001 FAMILY: Acanthaceae
Look for it in bottomland forests
Uncommon
Native to the Carolinas & Georgia

Common Name:
American Water-willow
Weakley's Flora: (11/30/12) Justicia americana FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Justicia americana FAMILY: Acanthaceae
SYNONYMOUS WITH Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Justicia americana 171-05-001 FAMILY: Acanthaceae
Look for it in river & stream beds, in shallow water, often rooted in rocky shallows
Common
Native to the Carolinas & Georgia

Common Name:
Coastal Plain Water-willow, Looseflower Water-willow
Weakley's Flora: (2/8/20) Justicia ovata FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Justicia ovata var. ovata FAMILY: Acanthaceae
INCLUDED WITHIN Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968): Justicia ovata 171-05-002 FAMILY: Acanthaceae
Look for it in swamps, marshes
Common in Coastal Plain (rare in Piedmont)
Native to the Carolinas & Georgia

Common Name:
Pineland Water-willow, Narrowleaf Water-willow
Weakley's Flora: (11/30/12) Justicia angusta FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Justicia angusta FAMILY: Acanthaceae
Look for it in pond-cypress depressions, roadside ditches, savannas
Rare
Native to Georgia

Common Name:
thickleaf water-willow
Weakley's Flora: (11/30/12) Justicia crassifolia FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Justicia crassifolia FAMILY: Acanthaceae
Look for it in flatwoods, cypress ponds
Rare
Native to Georgia

Common Name: East Indian Swampweed, East Indian Hygrophila, Miramar Weed, Hygro
Weakley's Flora: (5/21/15) Hygrophila polysperma FAMILY: Acanthaceae
SYNONYMOUS WITH PLANTS National Database: Hygrophila polysperma FAMILY: Acanthaceae
Look for it in lakes, rivers, canals (it is grown for the aquarium trade and sporadically introduced to bodies of water)
Rare
Non-native: East Indies
Your search found 17 taxa. You are on page PAGE 1 out of 1 pages.