dcsimg
2010 Keir Morse   cc-by-nc-sa-3.0

Penstemon speciosus (Royal Penstemon) is a species of perennial herb in the family Plantaginaceae. They have a self-supporting growth form. They are native to The Contiguous United States and North America. They have simple, broad leaves and blue flowers. Flowers are visited by Melanosmia and hummingbirds. Individuals can grow to 2.5 feet.

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EOL has data for 64 attributes, including:

Known occurrences, collected specimens and observations of royal penstemon. View this species on GBIF