Difference between revisions of "Eriogonum umbellatum var. cognatum"
SouthW. Naturalist 13: 357. 1968.
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Revision as of 22:37, 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.