Balsamorhiza macrophylla

Balsamorhiza macrophylla (cutleaf balsamroot)[2] is a North American species of plants in the sunflower tribe within the aster family. The species is native to the northwestern United States, in Idaho, Montana, Wyoming, Utah, and Oregon.[3] It grows in sagebrush scrublands and conifer forests.[1] It sometimes hybridizes with Balsamorhiza sagittata.[4]

Balsamorhiza macrophylla
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Asterales
Family: Asteraceae
Genus: Balsamorhiza
Species:
B. macrophylla
Binomial name
Balsamorhiza macrophylla
Synonyms[1]
  • Balsamorhiza macrophylla var. idahoensis W.M.Sharp
  • Balsamorhiza hookeri Nuttall var. idahoensis (W.M.Sharp) Cronquist

B. macrophylla grows up to 100 centimetres (39 in) tall,[1] with leaves reaching 60 cm (24 in).[4] It has yellow flower heads about 8–10 cm (3–4 in) in diameter,[4] usually borne one at a time, with both ray florets and disc florets.[1]

References
  1. Weber, William A. (2006). "Balsamorhiza macrophylla". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 21. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
  2. USDA, NRCS (n.d.). "Balsamorhiza macrophylla". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 28 May 2015.
  3. "Balsamorhiza macrophylla". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
  4. Taylor, Ronald J. (1994) [1992]. Sagebrush Country: A Wildflower Sanctuary (rev. ed.). Missoula, MT: Mountain Press Pub. Co. p. 148. ISBN 0-87842-280-3. OCLC 25708726.


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