Flora of North America species comparison

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Penstemon ambiguus var. laevissimus
Photo is of parent taxon

pink plains beardtongue
Stems

glabrous.
Leaf

blades: margins glabrous or scabrous.
2n

= 16.

Penstemon ambiguus var. laevissimus
Phenology Flowering May–Aug(–Sep).
Habitat Sandy soils, creosote bush, blackbrush, and sagebrush shrublands, juniper woodlands.
Elevation 700–1800 m. (2300–5900 ft.)
Distribution
from FNA
AZ; NM; NV; TX; UT; Mexico (Chihuahua)
[BONAP county map]
Source FNA vol. 17, p. 95.
Parent taxa Plantaginaceae > Penstemon > subg. Penstemon > sect. Ambigui > Penstemon ambiguus
Sibling taxa
P. ambiguus var. ambiguus
Synonyms P. ambiguus subsp. laevissimus
Name authority (D. D. Keck) N. H. Holmgren: Brittonia 31: 104. (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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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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