Plant Data

Names and Taxonomy

  • Common Names: Palmer’s Penstemon, Palmer’s Beardtongue, Scented Penstemon, Scented Beardtongue
  • Synonyms: Penstemon palmeri,
  • Family: Scrophulariaceae (Figwort)
  • Genus Information: Varieties, palmeri, macranthus, eglandulosus; about 280 species, 50 in Mohave Desert

Habit and Size

  • Duration: Perennial
  • Habit: forb
  • Shape: column
  • Size: up to 5 feet
  • Stem: smooth

Leaves

  • Color: grayish-green
  • Shape: oblong to triangular
  • Edge: toothed
  • Arrangement: opposite
  • Leaf Retention: evergreen

Flowers and Fruit

  • Sex: monoecious
  • Flower Color: purple, white, pink
  • Flower Size: 2 inches (5 cm)
  • Number of Petals: bell
  • Bloom: AZ, CA, ID, NM, NV, UT
  • Fruit: many seeded capsule

Habitat and Growing Conditions

  • Water Use: Penstemons are drought tolerant once established, but require regular water to get to that point.
  • Light: full sun
  • Soil: regular mulching to control ground temperature and prevent weeds
  • Habitat: riparian, dry washes

Distribution

  • Distribution: AZ, CA, ID, NM, NV, UT
  • Seen: NV (Corn Creek)
  • Elevation: 3500 to 6500 feet (1200-2200 m)

Photographs

Palmers Penstemon (Penstemon palmeri)

Corn Creek, Las Vegas

Palmers Penstemon (Penstemon palmeri)

Corn Creek, Las Vegas