Eriogonum heracleoides

Eriogonum heracleoides (common names; parsnipflower buckwheat, whorled buckwheat, and Wyeth buckwheat[1]) is a plant of western North America that has many flowering clusters which are usually cream colored, or off-white. It can usually be found in rocky areas, such as sagebrush deserts and Ponderosa pine forests. Parsnipflower buckwheat is in the genus Eriogonum and the family Polygonaceae, which is a family of plants known as the "knotweed family". It inhabits much of the western part of the United States and southern British Columbia.[2][3]

Eriogonum heracleoides
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Eriogonum
Species:
E. heracleoides
Binomial name
Eriogonum heracleoides

Description

The parsnipflower buckwheat is an erect herbaceous perennial plant rarely more than 40 cm (15+3⁄4 in) tall. Blooming early in the summer, its flowers measure 4–9 mm (1⁄8–3⁄8 in); these are pale yellow and redden with age.[4] The leaves are arranged in loose rosettes, covered with soft hairs measuring 5–30 mm (1⁄4–1+1⁄8 in). The hairs feel woolly and matted, and cover both sides of the leaf.[5] The flowers have one carpel (achene). The plant has a whorled arrangement of leaves at midpoint of the stem[6][7] as well as one beneath the base of the stems.[4] It blooms in early to mid summer. It attracts butterflies, bees, insects, and birds and is the host plant for several Palouse butterflies.[8]

References
  1. United States Department of Agriculture Natural Resources Conservation Service. "Parsnipflower buckwheat" (PDF). Plant Guide.
  2. Sullivan, Steven. K. (2020). "Eriogonum heracleoides". Wildflower Search. Retrieved 2020-09-22.
  3. USDA, NRCS. (2020). "Eriogonum heracleoides". The PLANTS Database. National Plant Data Team, Greensboro, NC 27401-4901 USA. Retrieved 2020-09-22.
  4. Taylor, Ronald J. (1994) [1992]. Sagebrush Country: A Wildflower Sanctuary (rev. ed.). Missoula, MT: Mountain Press Pub. Co. p. 28. ISBN 0-87842-280-3. OCLC 25708726.
  5. Floras Flora in North America. "Parsnipflower buckwheat".
  6. Klinkenberg, Brian, ed. (2020). "Eriogonum heracleoides". E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. Retrieved 2020-09-22.
  7. Giblin, David, ed. (2020). "Eriogonum heracleoides". WTU Herbarium Image Collection. Burke Museum, University of Washington. Retrieved 2020-09-22.
  8. Thorn Creek Thorn Creek Native Seed. "Wyeth buckwheat".

Further reading
  • Daniel E. Moerman (2009). "Eriogonum heracleoides". Native American Medicinal Plants: an ethnobotanical dictionary. Portland, OR / London: Timber Press. p. 194. ISBN 978-0-88192-987-4.
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