Photo of Penstemon cobaea (cobaea beardtongue, prairie beardtongue or foxglove penstemon)
Penstemon cobaea - The flowers are white to violet with dark purple lines inside the floral tube. One to three stout stems rise from a woody rhizome and bear thick, paired leaves which become smaller up the stem. The lower leaves have often withered by the time of flowering. Family: Scrophulariaceae
Ref. 45210
Author :
Paul S Drobot
Online since:
May 24th 2023
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