familyPlantaginaceae
genusPenstemon
subgenusPenstemon subg. Penstemon
sectionPenstemon sect. Coerulei
speciesPenstemon secundiflorus
Penstemon secundiflorus var. secundiflorus
Endemic
Synonyms: Penstemon unilateralis Rydberg
Treatment appears in FNA Volume 17. Treatment on page 124.
Cauline leaf blades lanceolate to ovate. Corollas light blue or lavender, rarely pink, sparsely to densely white-villous internally abaxially. 2n = 16.
Phenology: Flowering May–Jul.
Habitat: Rocky or gravelly soils, shortgrass prairies, foothills, mesas, parklands.
Elevation: 1500–2900 m.
Distribution
Colo., N.Mex., Wyo.
Discussion
Variety secundiflorus occurs from south-central Wyoming through the Rocky Mountains to Santa Fe County, New Mexico. It is characteristic of the Rocky Mountain Front Range.
Selected References
None.
Lower Taxa
None.