Flora of North America species comparison

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Psorothamnus polydenius var. jonesii
Photo is of parent taxon

Jones' dalea
Leaves

1–2.7 cm;

leaflets 9–11, blades obovate, 1.5–4.5 mm.
Racemes

relatively loose;

rachis 2–3 cm;

bracts linear-lanceolate (sometimes apex caudate), 4–6.5 mm, margins toothed, eglandular.
Calyces

pilosulous throughout, lobes 3.6–5.2 mm.

Psorothamnus polydenius var. jonesii
Phenology Flowering late spring–early summer.
Habitat Salt desert scrub communities.
Elevation 1200–1500 m. (3900–4900 ft.)
Distribution
from FNA
UT
Discussion

Variety jonesii is known only from salt desert shrub communities near the Green River in central Utah.

S. L. Welsh et al. (2003) treated Psorothamnus nummularius as endemic to eastern Emory County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Psorothamnus > Psorothamnus polydenius
Sibling taxa
P. polydenius var. polydenius
Synonyms Dalea nummularia, P. nummularius
Name authority Barneby: Mem. New York Bot. Gard. 27: 52. (1977)
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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