Difference between revisions of "Eriogonum umbellatum var. cladophorum"
Bull. Soc. Roy. Bot. Belgique 42: 198. 1906.
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Latest revision as of 09:41, 30 July 2020
Herbs, compact mats, 1–2 × 2–5 dm. Aerial flowering-stems erect, 1–2 dm, tomentose to densely floccose, without one or more leaflike bracts ca. midlength. Leaves in tight rosettes; blade usually elliptic to ovate, 1–2 × 0.5–1.5 cm, lanate to densely tomentose on both surfaces, margins plane. Inflorescences umbellate; branches 0.3–2.5 cm, without a whorl of bracts about midlength; involucral tubes 2–3 mm, lobes 1.5–3 mm. Flowers 4–7 mm; perianth bright-yellow.
Phenology: Flowering Jun–Sep.
Habitat: Sandy to gravelly flats, sagebrush communities, montane conifer woodlands
Elevation: 2000-2300 m
Discussion
Variety cladophorum is a rare and localized expression known from three locations (Upper Geyser Basin, Old Faithful, and Madison Junction) within Yellowstone National Park, Teton County.
Selected References
None.
Lower Taxa
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