Flora of North America species comparison

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Draba asprella var. stelligera
Photo is of parent taxon

rough Draba
Fruit

valves puberulent, trichomes 2–4-rayed, 0.1–0.2 mm.

Draba asprella var. stelligera
Phenology Flowering Apr–Jul.
Habitat On and around limestone and sandstone rock outcrops in pine-oak and pinyon-juniper communities
Elevation 1500-2400 m (4900-7900 ft)
Distribution
from FNA
AZ
[BONAP county map]
Discussion

Of conservation concern.

Variety stelligera is known from Coconino, Gila, and Yavapai counties in northern and central Arizona. The difference between vars. kaibabensis and stelligera rests on trichome density and the proportion of simple versus branched hairs on the leaves. These features are highly variable and we find no dependable characteristics separating populations on the North Rim of the Grand Canyon from those to the south.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 7, p. 293.
Parent taxa Brassicaceae > tribe Arabideae > Draba > Draba asprella
Sibling taxa
D. asprella var. asprella
Synonyms D. asprella var. kaibabensis
Name authority O. E. Schulz: in H. G. A. Engler, Pflanzenr. 89[IV,105]: 106. (1927)
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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