Burke: Balsamorhiza vs. Balsamorhiza serrata

	Balsamorhiza	Balsamorhiza serrata
	balsamroot	serrrate balsamroot, toothed balsamroot
Habit		Perennial with an unbranched crown surmounting a carrot-like root, 1-4 dm. tall.
Leaves		Basal leaves petiolate, green, scabrous, with prominent net-like veins, the blade deltoid-ovate, 4-29 cm. long and 2-8 cm. wide, sharply serrate, but also with some pinnatifid leaves; stems often with a pair of much-reduced leaves near the base.
Flowers		Heads solitary; involucres smooth to strongly woolly, the bracts narrowly lanceolate; rays 10-16, 2-4 cm. long.
Fruits		Achenes glabrous.

	Balsamorhiza	Balsamorhiza serrata
Identification notes		Of all the species of Balsamorhiza found in our area, only Balsamorhiza serrata has sharply serrate leaves.
Flowering time		April-June
Habitat		Rock outcrops and dry, rocky knolls.
Distribution	[BONAP county map]	Occurring east of the Cascades crest in south-central and southeastern Washington; Washington to California, east to Nevada. [WildflowerSearch map] [BONAP county map]
Origin	Native	Native
Conservation status	Not of concern	Not of concern
Sibling taxa		B. ×bonseri, B. careyana, B. careyana × B. hookeri, B. deltoidea, B. hookeri, B. hookeri × B. sagittata, B. incana, B. rosea, B. sagittata, B. ×terebinthacea, B. ×tomentosa
Subordinate taxa	B. ×bonseri, 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: 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: 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

Balsamorhiza

Balsamorhiza serrata

balsamroot

serrrate balsamroot, toothed balsamroot

Habit

Perennial with an unbranched crown surmounting a carrot-like root, 1-4 dm. tall.

Leaves

Basal leaves petiolate, green, scabrous, with prominent net-like veins, the blade deltoid-ovate, 4-29 cm. long and 2-8 cm. wide, sharply serrate, but also with some pinnatifid leaves;

stems often with a pair of much-reduced leaves near the base.

Flowers

Heads solitary;

involucres smooth to strongly woolly, the bracts narrowly lanceolate;

rays 10-16, 2-4 cm. long.

Fruits

Achenes glabrous.