Penstemon franklinii, or Franklin's penstemon,[1] is a plant species endemic to Utah, United States, known only from Cedar Valley in Iron County. It grows in grasslands and in sagebrush communities.[2][3][1]

Penstemon franklinii is a perennial herb up to 25 cm (10 inches) tall. Leaves are up to 6.5 cm (2.6 inches) long, some toothed and some untoothed on the same individual. Flowers are blue to blue-purple with a yellow beard on the lower part of the zygomorphic corolla.[2][4][5]

References

  1. ^ a b USDA Plants Profile
  2. ^ a b Welsh, Stanley Larson, & Goodrich, Sherel. 1993. New taxa and new nomenclatural combinations in the Utah flora. Rhodora 95(883–884): 392-421.
  3. ^ Utah Rare Plant Guide
  4. ^ Holmgren, Noel Herman, & Holmgren, Patricia Kern. 2012. Intermountain Flora.
  5. ^ photo of isotype of Penstemon franklinii at Missouri Botanical Garden