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Eriogonum umbellatum var. majus
Eriogonum umbellatum Torr. var. majus Hook.
Subalpine Sulfur Flower, Sulfur-flower Buckwheat
Polygonaceae (Buckwheat Family)
Synonym(s): Eriogonum heracleoides var. subalpinum, Eriogonum subalpinum, Eriogonum umbellatum ssp. majus, Eriogonum umbellatum var. subalpinum
USDA Symbol: ERUMM
USDA Native Status: L48 (N), CAN (N)
Plant Characteristics
Duration: PerennialHabit: Herb
Root Type: Tap
Inflorescence: Umbel
Fruit Type: Achene
Size Notes: Prostrate to spreading, compact mats, 10-45(-50) x 20-80(-100) cm. (Webref 3).
Leaf: Leaves in loose rosettes; blade oblanceolate to elliptic, (0.3-)0.5-2(-4) x 0.3-1(-1.5) cm, densely whitish-, greenish-, or reddish-lanate abaxially, glabrous and olive green to bright green adaxially, margins plane. (Webref 3).
Flower: Flowers 3-7(-9.5) mm; perianth cream. (Webref 3).
Bloom Information
Bloom Color: WhiteBloom Time: Jun , Jul , Aug , Sep
Distribution
USA: CO , ID , MT , UT , WA , WYCanada: AB , BC
Native Habitat: Sandy to gravelly flats, slopes and ridges, mixed grassland and sagebrush communities, oak, aspen, and montane to subalpine conifer woodlands, mountain meadows, or in alpine tundra. (Webref 3).
Web Reference
Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Eriogonum umbellatum var. majus in USDA PlantsFNA: Find Eriogonum umbellatum var. majus in the Flora of North America (if available)
Google: Search Google for Eriogonum umbellatum var. majus
Metadata
Record Modified: 2023-05-01Research By: Joseph A. Marcus