Penstemon whippleanus

pens·te·monw·hippleanus

uncommon

noun

wine-lavender to black-purple flowers in several clusters on the upper half of leafy stems; Montana south through the Rocky Mountains to Arizona and New Mexico

Synonyms

Penstemon palmeri Penstemon parryi Penstemon rupicola Penstemon rydbergii Penstemon serrulatus penstock pent pent-up pentacle pentad

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