Difference between revisions of "Eriogonum umbellatum var. cognatum"
SouthW. Naturalist 13: 357. 1968.
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|name=Eriogonum cognatum | |name=Eriogonum cognatum | ||
|authority=Greene | |authority=Greene | ||
| + | |rank=species | ||
|publication_title=Pittonia | |publication_title=Pittonia | ||
|publication_place=3: 201. 1897 | |publication_place=3: 201. 1897 | ||
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|name=Eriogonum umbellatum subsp. cognatum | |name=Eriogonum umbellatum subsp. cognatum | ||
|authority=(Greene) S. Stokes | |authority=(Greene) S. Stokes | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Oligogonum;Eriogonum umbellatum;Eriogonum umbellatum var. cognatum | |hierarchy=Polygonaceae;Polygonaceae subfam. Eriogonoideae;Eriogonum;Eriogonum subg. Oligogonum;Eriogonum umbellatum;Eriogonum umbellatum var. cognatum | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Eriogonum umbellatum var. cognatum | name=Eriogonum umbellatum var. cognatum | ||
| − | |||
|authority=(Greene) Reveal | |authority=(Greene) Reveal | ||
|rank=variety | |rank=variety | ||
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|publication year=1968 | |publication year=1968 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V5/V5_712.xml |
|subfamily=Polygonaceae subfam. Eriogonoideae | |subfamily=Polygonaceae subfam. Eriogonoideae | ||
|genus=Eriogonum | |genus=Eriogonum | ||
Revision as of 21:56, 16 December 2019
Herbs, compact mats, 1–2(–2.5) × 1–3 dm. Aerial flowering stems erect, 1–1.5 dm, glabrous, without one or more leaflike bracts ca. midlength. Leaves in loose rosettes; blade oblong-obovate to elliptic or oval, (1–)1.5–2(–2.5) × 1–1.5(–2) cm, densely white-tomentose abaxially, thinly floccose or glabrous and dark green adaxially, margins plane. Inflorescences compound-umbellate, branched 2–4 times; branches glabrous, without a whorl of bracts ca. midlength; involucral tubes 3–5 mm, lobes 1–2.5 mm. Flowers 4–7 mm; perianth bright yellow.
Phenology: Flowering Jul–Sep.
Habitat: Sandy flats and slopes, sagebrush communities, oak and montane conifer woodlands
Elevation: 1600-2200 m
Discussion
Variety cognatum is localized and rather infrequent in south-central Coconino County and also barely enters Gila and Yavapai counties. It is seen most frequently in the greater Flagstaff area.
Selected References
None.