Burke: Balsamorhiza deltoidea vs. Balsamorhiza ×bonseri

	Balsamorhiza deltoidea	Balsamorhiza ×bonseri
	deltoid balsamroot, Puget balsamroot	hybrid balsamroot
Habit	Perennial herb from a large taproot.
Leaves	All basal; large with triangular or cordate base, sparsely hairy.
Flowers	Large, yellow sunflower-like heads with slightly hairy involucres.
Fruits	Achene glabrous.

	Balsamorhiza deltoidea	Balsamorhiza ×bonseri
Identification notes	Similar to B. sagitatta, but differs in being less densely pubescent, with the herbage and involucre green rather than grayish.
Flowering time	March-July
Habitat	Prairies, open slopes, and forest edge at low elevations.	Dry, rocky slopes at low elevation
Distribution	Occurring west of the Cascades crest and east in the Columbia River Gorge in Washington; British Columbia to California. [WildflowerSearch map] [BONAP county map]	Local in eastern Washington where Balsamorhiza rosea is found [BONAP county map]
Origin	Native	Native
Conservation status	Review Group 2 in Washington (WANHP)	Not of concern
Sibling taxa	B. ×bonseri, B. careyana, B. careyana × B. hookeri, B. hookeri, B. hookeri × B. sagittata, B. incana, B. rosea, B. sagittata, B. serrata, B. ×terebinthacea, B. ×tomentosa	B. careyana, B. careyana × B. hookeri, B. deltoidea, B. hookeri, B. hookeri × B. sagittata, B. incana, B. rosea, B. sagittata, B. serrata, B. ×terebinthacea, B. ×tomentosa
Web links	Local floras: BC, CA, OR, WA Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog. WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search	Local floras: WA Local Web sites: Flora NW, PNW Herbaria WildflowerSearch iNaturalist (observations) USDA Plants Database LBJ Wildflower Center SEINet Plants of the World Online Encyclopedia of Life Wikipedia Google Image Search