Flora of North America species comparison

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Penstemon pachyphyllus var. congestus
Photo is of parent taxon

thickleaf beardtongue
Flowers

staminode 10–12 × (0.2–)0.5–1 mm, distal 4–7 mm densely villous, hairs to 1.5 mm.
2n

= 16.

Penstemon pachyphyllus var. congestus
Phenology Flowering May–Jul(–Aug).
Habitat Sandy to gravelly sagebrush shrubland, pinyon-juniper, Gambel oak, ponderosa pine, and bristlecone pine woodlands.
Elevation 1200–3100 m. (3900–10200 ft.)
Distribution
from FNA
AZ; NV; UT
[BONAP county map]
Discussion

Variety congestus is known from the Uinta Basin of northeastern Utah to the Grand Canyon Plateau of Arizona and to the Calcareous Mountains of east-central Nevada.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 123.
Parent taxa Plantaginaceae > Penstemon > subg. Penstemon > sect. Coerulei > Penstemon pachyphyllus
Sibling taxa
P. pachyphyllus var. pachyphyllus
Synonyms P. acuminatus var. congestus, P. pachyphyllus subsp. congestus
Name authority (M. E. Jones) N. H. Holmgren: Brittonia 31: 105. (1979)
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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