Flora of North America species comparison

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Psorothamnus thompsoniae var. thompsoniae

Psorothamnus thompsoniae var. whitingii
Photo is of parent taxon

Thompson's dalea
Photo is of parent taxon

whiting's dalea
Leaflets

7–13, blades obovate or broadly oblanceolate, 2–4(–5) mm.

7–17(or 19), blades linear-oblanceolate or linear-oblong, 3–7 mm.
Calyces

tube usually glabrous, lobes pilosulous, sometimes pilosulous throughout.

usually pubescent throughout.

Psorothamnus thompsoniae var. thompsoniae

Psorothamnus thompsoniae var. whitingii
Phenology Flowering late spring–early summer. Flowering late spring–early summer.
Habitat Open, gravelly slopes, sandstone outcrops, salt and mixed desert shrub com­munities. Clay or sandy soils, talus in canyons, mixed desert shrub communities.
Elevation 1100–2300 m. (3600–7500 ft.) 1100–1600 m. (3600–5200 ft.)
Distribution
from FNA
UT
[BONAP county map]
from FNA
AZ; UT
[BONAP county map]
Discussion

Variety thompsoniae is known from Emery, Garfield, Kane, San Juan, and Wayne counties.

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

Variety whitingii is known from San Juan County, Utah, from near Monument Valley westward to Navajo Mountain, and disjunctly in Wupatki National Monument, Coconino County, Arizona.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11. FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Psorothamnus > Psorothamnus thompsoniae Fabaceae > subfam. Faboideae > Psorothamnus > Psorothamnus thompsoniae
Sibling taxa
P. thompsoniae var. whitingii
P. thompsoniae var. thompsoniae
Synonyms Dalea whitingii
Name authority unknown (Kearney & Peebles) Barneby: Mem. New York Bot. Gard. 27: 54. (1977) — (as thompsonae var. whitingi)
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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