UW Burke Herbarium species comparison

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Balsamorhiza deltoidea

Balsamorhiza sagittata

deltoid balsamroot, Puget balsamroot

arrowleaf balsamroot
Habit Perennial herb from a large taproot. Large perennial herb from a taproot.
Leaves

All basal; large with triangular or cordate base, sparsely hairy.

All basal, large with broad or cordate bases, densely grayish hairy.
Flowers

Large, yellow sunflower-like heads with slightly hairy involucres.

Heads solitary; top of peduncle and lower part of involucre strongly white-woolly;

rays 8-25, 2.5-4 cm. long.
Fruits

Achene glabrous.

Achene glabrous.

Balsamorhiza deltoidea

Balsamorhiza sagittata
Identification notes Similar to B. sagitatta, but differs in being less densely pubescent, with the herbage and involucre green rather than grayish. Look for the typically densely hairy, silvery-gray foliage and involucre bracts; leaves are all basal.
Flowering time March-July April-July
Habitat Prairies, open slopes, and forest edge at low elevations. Shrub-steppe, grasslands, and other open areas from low to middle elevations.
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]
Occurring chiefly east of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains and northern Great Plains.
[WildflowerSearch map]
[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. ×bonseri, B. careyana, B. careyana × B. hookeri, B. deltoidea, B. hookeri, B. hookeri × B. sagittata, B. incana, B. rosea, B. serrata, B. ×terebinthacea, B. ×tomentosa
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

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