Photographer: Derek Anderson
Penstemon grandiflorus Nutt.
large beard-tongue, large-flowered beard-tongue
Penstemon: from the Greek pente, "five," and stemon, "stamen," for the fifth stamen, referring to the staminode, or just an allusion to the fact that it has five stamens
|Plant: ||erect, biennial/perennial, 12"-40" tall forb, smooth throughout|
|Flower: ||pink, 5-parted, to 2" long, tubular, smooth inside and out, widely flaring lips; inflorescence a 6"-12" cluster of 2-4 short-stalked flowers in the leaf axil; blooms May-June|
|Leaf:||opposite, entire, becoming shorter and somewhat clasping towards the top, waxy-looking|
|Habitat: ||full sun; dry; prairies, inland sands; in sandy, gravelly soil|