Flora of North America species comparison

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Dalea purpurea var. arenicola
Photo is of parent taxon

purple prairie clover
Habit Herbs glabrous proximal to inflorescences.
Stems

2–4(–5) dm.
Peduncles

3–15 cm.
Spikes

7–9 mm diam. 2n = 14.

Dalea purpurea var. arenicola
Phenology Flowering late spring–summer.
Habitat Sandy or rocky areas, often in alluvium.
Elevation 500–1300 m. (1600–4300 ft.)
Distribution
from FNA
CO; KS; NE; NM; OK; TX
Discussion

In Texas, var. arenicola is known from the northwestern quarter of the state. Variety arenicola occurs in areas of loose sand, while var. purpurea occurs in more compacted soil. The varieties are generally fairly distinctive except in areas where the two types of soils are in close proximity.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Dalea > Dalea purpurea
Sibling taxa
D. purpurea var. purpurea
Synonyms Petalostemon arenicola, D. arenicola
Name authority (Wemple) Barneby: Mem. New York Bot. Gard. 27: 267. (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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