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Bransford, W.D. and Dolphia
Penstemon deustus Douglas ex Lindl.
Hot-rock beardtongue, Hot-rock penstemon, Scabland penstemon
USDA Symbol: PEDE4
USDA Native Status: L48 (N)
The stems grow in clusters from a woody base and have dingy white or cream bilaterally symmetrical flowers in several whorls in axils of leafy bracts. The sub-shrubby branches of this perennial form clumps 8-24 in. high. Its leaves are toothed and bright green, subtending short, whorled clusters of yellowish flowers, marked purple. The flowers are more interesing (at close range) than showy.
In a huge western genus of more than 200 species, this will serve to represent the few with white flowers. Few species of these lovely wildflowers are fragrant, most having a mildly unpleasant odor, especially noticeable in Hot Rock Penstemon.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf:
Fruit: Size Class:
Bloom InformationBloom Color: Yellow
Bloom Time: May , Jun , Jul
, WY Native Distribution:
to w. MT,
s. to CA, NV
& Box Elder Co., UT Native Habitat:
Dry, rocky areas below 8000 ft.
Growing ConditionsWater Use: Low
Light Requirement: Sun
Soil Moisture: Dry
CaCO3 Tolerance: Medium
Soil Description: Dry, rocky soils.
Conditions Comments: Not Available
BenefitConspicuous Flowers: yes
PropagationDescription: Propagate using half-woody cuttings or seed.
Seed Collection: Not Available
Seed Treatment: Germination is best with cold-moist stratification but is not necessary.
Commercially Avail: yes
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
Native Seed Network
- Corvallis, OR
Record Last Modified: 2007-01-01
Research By: TWC Staff