Whipple's penstemon

Quick look

Penstemon whippleanus, commonly known as dusky penstemon or Whipple's penstemon, is a summer blooming perennial flower in the large Penstemon genus. It is a widespread plant within the hemiboreal forests of the Rocky Mountains in North America. It is noted for the large deep purple-red flowers and a preference for high mountain elevations.

• It belongs to the Plantaginaceae family. ^iNaturalist
• USDA PLANTS describes it as an herb (forb) / a subshrub with a perennial life cycle. ^{USDA PLANTS}
• USDA PLANTS lists it as native in the lower 48 states and records it in 7 states. ^{USDA PLANTS}
• NatureServe lists it as native to Colorado, New Mexico and Wyoming. ^NatureServe
• In Colorado, most iNaturalist sightings of it in flower come in June–August. ^iNaturalist
• In New Mexico, most iNaturalist sightings of it in flower come in June–August. ^iNaturalist
• USDA PLANTS lists its flower color as purple. ^{USDA PLANTS}
• USDA PLANTS gives its bloom period as late summer. ^{USDA PLANTS}
• USDA PLANTS lists a mature height of about 3 ft. ^{USDA PLANTS}
• iNaturalist has 5,234 research-grade sightings of it in Colorado, ranking #17 among the 110 flowers on our Colorado list. ^iNaturalist
• iNaturalist has 721 research-grade sightings of it in New Mexico, ranking #81 among the 109 flowers on our New Mexico list. ^iNaturalist
• iNaturalist has 358 research-grade sightings of it in Wyoming, ranking #80 among the 107 flowers on our Wyoming list. ^iNaturalist