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Acanthaceae
Acanthaceae image
Sue Carnahan
  • SW Field Guide
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Desert Research Learning Center, Botany Program
Herbs, sometimes vines, shrubs or trees, with opposite leaves, simple, pinnate venation, exstipulate. Variable inflorescences, with bilateral flowers, often with large, colorful bracts and bracteoles; 5 connate sepals/5 connate petals, 4 didynamous stamens, with filaments adnate to corolla. Superior ovary, 2 fused carpels, with axile placentation. Fruit an explosively dehiscent capsule with a funicle that is modified into a retinacula (a hook-shaped stalk that flings seed out).
Species within checklist: Nebraska
Dipteracanthus micranthus
Image of Dipteracanthus micranthus
Dipteracanthus strepens
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not available
Ruellia humilis
Image of Ruellia humilis
Ruellia strepens
Image of Ruellia strepens
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