Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Penstemon cardinalis var. regalis
Photo is of parent taxon

cardinal beardtongue
Leaves

leathery, cauline blade ovate to subcordate, sometimes elliptic.
Thyrses

proximal bracts suborbiculate to ovate.
Flowers

calyx lobes 4–6 × 2.3–3 mm.

Penstemon cardinalis var. regalis
Phenology Flowering May–Jun(–Aug).
Habitat Rocky canyons, pine woodlands.
Elevation 1400–2500 m. (4600–8200 ft.)
Distribution
from FNA
NM; TX
[BONAP county map]
Discussion

Variety regalis is known from the Guadalupe Mountains in New Mexico (Eddy County) and the Davis, Guadalupe, and Sierra Diablo mountains in western Texas (Culberson and Jeff Davis counties).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 148.
Parent taxa Plantaginaceae > Penstemon > subg. Penstemon > sect. Elmigera > Penstemon cardinalis
Sibling taxa
P. cardinalis var. cardinalis
Synonyms P. regalis, P. cardinalis subsp. regalis
Name authority (A. Nelson) C. C. Freeman: PhytoKeys 80: 34. (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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(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.)

Choose a data source: Flora of North America

The species comparison tool is brought to you by:
Northwest Wildflowers