Flora of North America species comparison

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Penstemon secundiflorus var. secundiflorus

Penstemon secundiflorus var. versicolor
Photo is of parent taxon
Photo is of parent taxon
Cauline leaf blades

lanceolate to ovate.

oblanceolate to ovate or elliptic.
Corollas

light blue or lavender, rarely pink, sparsely to densely white-villous internally abaxially.

dark blue or violet, glabrous or sparsely white-villous internally abaxially.
2n

= 16.

Penstemon secundiflorus var. secundiflorus

Penstemon secundiflorus var. versicolor
Phenology Flowering May–Jul. Flowering May–Jun.
Habitat Rocky or gravelly soils, shortgrass prairies, foothills, mesas, parklands. Rocky, gravelly, or sandy soils, shortgrass prairies, foothills.
Elevation 1500–2900 m. (4900–9500 ft.) 1400–1700 m. (4600–5600 ft.)
Distribution
from FNA
CO; NM; WY
from FNA
CO
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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Variety versicolor is known from the Arkansas River drainage in south-central Colorado in Baca, Fremont, Las Animas, Otero, and Pueblo counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 124. FNA vol. 17, p. 124.
Parent taxa Plantaginaceae > Penstemon > subg. Penstemon > sect. Coerulei > Penstemon secundiflorus Plantaginaceae > Penstemon > subg. Penstemon > sect. Coerulei > Penstemon secundiflorus
Sibling taxa
P. secundiflorus var. versicolor
P. secundiflorus var. secundiflorus
Synonyms P. unilateralis P. versicolor
Name authority unknown (Pennell) C. C. Freeman: PhytoKeys 80: 37. (2017)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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