Flora of North America species comparison

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Psorothamnus thompsoniae var. whitingii

Psorothamnus thompsoniae var. thompsoniae
Photo is of parent taxon

whiting's dalea
Photo is of parent taxon

Thompson's dalea
Leaflets

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

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

usually pubescent throughout.

tube usually glabrous, lobes pilosulous, sometimes pilosulous throughout.

Psorothamnus thompsoniae var. whitingii

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

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.)

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

(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. thompsoniae
P. thompsoniae var. whitingii
Synonyms Dalea whitingii
Name authority (Kearney & Peebles) Barneby: Mem. New York Bot. Gard. 27: 54. (1977) — (as thompsonae var. whitingi) unknown
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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