Carnegiea gigantea, Giant Saguaro

Southwest Desert Flora

Home to the plants of the Sonoran, Chihuahuan and Mojave Deserts

Cirsium ochrocentrum, Yellowspine Thistle

Penstemon dasyphyllus, Cochise Beardtongue

Scientific Name: Penstemon dasyphyllus
Common Name: Cochise Beardtongue
Also Called: Purple Penstemon
Family: Scrophulariaceae, Figwort or Snapdragon Family - Moving to Plantaginaceae
Synonyms: ()
Status: Native
Duration: Perennial
Size: Up to 12 inches or more.
Growth Form: Forb/herb;
Leaves: Green; narrowly lanceolate, leaves on upper stems greatly reduced; leaves sessile; margins entire.
Flower Color: Purple; showy flowers; corolla with tubular throat, slightly swollen.
Flowering Season: April to June; rarely again in late summer following adequate monsoon rainfall.
Elevation: 3,500 to 5,500 feet.

Habitat Preferences: Open gravelly slopes.

Recorded Range: Penstemon dasyphyllus is very rare in the United States where it is found only in AZ, NM, TX. It is also found in northern Mexico. In Arizona it is found in the far southern part of the state in Pima, Cochise and Santa Cruz counties. In New Mexico it is limited to Hildalgo County and in Texas it is found in Brewster, Pecos and Presidio counties.

North America & US County Distribution Map for Penstemon dasyphyllus.

U.S. Weed Information: No information available.
Invasive/Noxious Weed Information: No information available.
Wetland Indicator: No information available.
Threatened/Endangered Information: No information available.

Genus Information: In North America there are 250 species and 393 accepted taxa overall for Penstemon. World wide, The Plant List includes 301 accepted species names and includes a further 188 infraspecific rank for the genus.

In the Southwestern United States, Arizona there are 43 species of Penstemon, in California there are 55 species, Nevada has 50 species, New Mexico has 47 species, Texas has 24 species, Utah has 73 species. All data is approximate and subject to taxonomic changes.

Comments: Penstemon dasyphyllus Cochise Beardtongue, is another of the relatively rare Penstemons found in the southwestern United States.

Date Profile Completed: 08/19/2016, updated format 10/03/2017
U.S. Dept. of Agriculture, Natural Resources Conservation Service on-line database and USGS ITIS search - (accessed 08/18/2016)
Arizona Flora, Kearney, Thomas H., Peebles, Robert H., 1960, University of California Press, Berkley and Los Angeles, California.
The Plant List (2013). Version 1.1. Published on the Internet; (accessed 08/17/2016).
SEINet for synonyms, scientific names, recorded geographic locations and general information 08/19/2016).