How to Identify Acanthaceae

Key Identification Features

• These flowers range in color from pale lilac to lavender, are marked with purple veins across their petals, and have distinct deep purple veins in their throats.
• ) has the following key distinguishing features.
• The white corollas are only 7 to 9 mm (about ¼ to ⅜ inch) long, and are distinctly split into an upper lip and a lower lip.
• The flowers have a distinctive form: a narrow tube that flares open into a wider, trumpet-like bell, with petals that often curl backwards.

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