Balsamorhiza macrophylla

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; Nutt.
Synonyms
	Balsamorhiza macrophylla var. idahoensisW.M.Sharp; Balsamorhiza hookeri Nuttall var. idahoensis(W.M.Sharp) Cronquist;

Last updated July 19, 2025

Balsamorhiza macrophylla (cutleaf balsamroot)^[2] is a North American species of plants in the tribe Heliantheae of the family Asteraceae. 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]

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 2 3 4 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: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
↑ NRCS. "Balsamorhiza macrophylla". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 28 May 2015.
↑ Kartesz, John T. (2014). "Balsamorhiza macrophylla". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP).
1 2 3 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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[j-1] 1 2 3 4 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: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

[2] NRCS. "Balsamorhiza macrophylla". PLANTS Database. United States Department of Agriculture (USDA). Retrieved 28 May 2015.

[3] Kartesz, John T. (2014). "Balsamorhiza macrophylla". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP).

[:0-4] 1 2 3 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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