Nicknamed as the Beard-tongue, this large genus of North American and East Asian plants, belongs to the family, Plantiginaceae, due to new generic research, it has now been placed in the vastly extended family Plantiginaceae. Earlier it was placed in the Scrophulariaceae. They mostly have opposite leaves, partly tube-shaped and two-lipped flowers and seed capsules, its most distinctive feature being the prominent staminode, an infertile stamen. It generally takes various forms in the differing species, while typically a long straight filament extends to the corolla, some being longer and hairy, giving the general appearance of an open mouth with a fuzzy tongue that seems to protrude, inspiring its common name the beard-tongue. Read More »
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