Plant Image
Flower
Granite Mtn - Tr 308 - Sue Smith


Yavapai County Native & Naturalized Plants

Penstemon linarioides - toadflax penstemon

Other Common Names: narrowleaf penstemon, linarialeaf penstemon, toadflax beardtongue, creeping penstemon
Plant Form: Forb or Subshrub

Family: Scrophulariaceae


   
 
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Flowers
Granite Mtn - Tr 308
Sue Smith
Basal leaves
Granite Mtn - Tr 308
Sue Smith
Leaves
Willow Dells Tr
Sue Smith
Plant - summer
Pioneer Park
Sue Smith
Plant - summer
Granite Mtn - Tr 308
Sue Smith
Seed pods
Willow Dells Tr
Sue Smith
Forb Plant Description

Origin: Native   Life Cycle: Perennial   Similar Species: Penstemon crandallii
General Desc: Woody-based plant, branches covered with short hairs to almost smooth. Stems 2 to 14 inches long, erect, spreading or almost lying flat on ground. Leaf blades long and thin to inverted lance-shaped, 1/4 to 1 inch long. Petals blue-purple to light purple.
Identification notes: Plants tufted, covered with short hairs or smooth; leaves narrow, taper to a tip; leaves and stems green or gray with hairs, margins smooth. Flowers purplish, throats ridged with few hairs; flowers very hairy on outside surfaces; sterile stamens bearded.
Height: To 14 inches


Habitat

Habitat Description: Dry hillsides and flats.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest
Elevation: 4000 - 9000 feet


Flower Characteristics

Color: Blue-purple to light purple     Shape: Irregular not in clusters     Tubular: Y     Flowering Period: Jun - Aug
Description: Flowers arranged on one side of elongated stalk, not crowded. Sepals 1/4 inch long. Petals 1/2 to 3/4 inch long, covered in short, soft hairs that are gland-like on the outside and lightly bearded on the inside. Deep purple nectar guides.


Leaf and Stem Characteristics

Leaf Color: Green to grayish     Leaf Type: Simple     Leaf Shape: Narrow     Leaf Margin: Smooth     Leaf Attachment: Opposite     Leaves Clasp: N
Hairs: Leaves and stems     Spines: N
Leaf Description: Stems 2 to 14 inches long, erect, spreading or almost lying flat on ground. Leaf blades narrow, inverted lance-shaped, 1/16 inch wide and 1/4 to 1 inch long, often crowded toward the base of the stem, farther apart above.


Fruit and Seed Characteristics

Fruit Type: Capsule
Fruit Notes: Capsule has partitions that divide open.


  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
http://cales.arizona.edu/yavapaiplants/SpeciesDetailForb.php  
Last Updated: Dec 13, 2022
Content Questions/Comments: Email Matt Halldorson  
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