|beardtongue, sunset crater beardtongue|
|Joyce Maschinski, Ph.D.|
The following Participating Institutions are custodians for this species in the CPC National Collection:
The Arboretum at Flagstaff
The conservation of Penstemon clutei is fully sponsored.
Joyce Maschinski, Ph.D. contributed to this Plant Profile.
Penstemon clutei is a unique species in a genus of nearly 300 species in North and Central America. Forty six of these 300 species are found in Arizona. (Lehr 1978)
Plants have one to several stems that grow up to 32 inches tall. Leaves are waxy and serrate. Bright pink tubular flowers, each with a swollen belly-like protuberance at the bottom, appear from late April through early August.
Distribution & Occurrence
Found in volcanic fields associated with the Sunset Crater eruption at 6500-8500 ft elevation (Kearney & Peebles 1973)
|36 known populations; usually found as small clusters of plants in scattered pockets|
Conservation, Ecology & Research
Herbivory by domestic and wild ungulate
Timber salvage operations
There is a need for an updated status report for this species.
Kearney, T.H.; Peebles, R.H. 1973. Arizona flora. Berkeley, CA: University of California Press. 1085p.
Lehr, J.H. 1978. A Catalog of the Flora of Arizona. Phoenix, Arizona: Desert Botanical Garden. 33p.
Rutman, S. 1992. Handbook of Arizona's endangered, threatened, and candidate plants. Phoenix, Arizona: U.S. Fish & Wildlife Service.