Difference between revisions of "Draba asprella var. stelligera"
in H. G. A. Engler, Pflanzenr. 89[IV,105]: 106. 1927.
EndemicConservation concern
Synonyms: Draba asprella var. kaibabensis C. L. Hitchcock
Treatment appears in FNA Volume 7. Treatment on page 293.
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|publication title=in H. G. A. Engler, Pflanzenr. | |publication title=in H. G. A. Engler, Pflanzenr. | ||
|publication year=1927 | |publication year=1927 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/bb6b7e3a7de7d3b7888a1ad48c7fd8f5c722d8d6/coarse_grained_fna_xml/V7/V7_374.xml |
|tribe=Brassicaceae tribe Arabideae | |tribe=Brassicaceae tribe Arabideae | ||
|genus=Draba | |genus=Draba | ||
Revision as of 23:56, 27 May 2020
Fruit valves puberulent, trichomes 2–4-rayed, 0.1–0.2 mm.
Phenology: Flowering Apr–Jul.
Habitat: On and around limestone and sandstone rock outcrops in pine-oak and pinyon-juniper communities
Elevation: 1500-2400 m
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.
Selected References
None.
Lower Taxa
None.