Balsamorhiza serrata
Balsamorhiza subg. Balsamorhiza
serrate balsam root, serrated balsamroot, serrrate balsamroot, tooth balsamroot
relatively slender, bark relatively thin, not corrugated;
rhizomes sometimes present (relatively short, deep-seated);
caudices seldom branched.
blades pale green to gray-green, lanceolate or lance-ovate, 5–15(–20+) × 2–5(–10) cm (earliest sometimes, later seldom, pinnately lobed, mostly toward tips), bases usually cuneate to subtruncate, sometimes cordate, margins usually dentate to serrate, apices acute, faces hirsutulous to scabrous.
blades mostly lanceolate, lance-elliptic, lance-ovate, linear-oblong, oblong, or ovate, often 1–2-pinnatifid or -pinnately lobed, sometimes cordate, ultimate margins usually crenate, dentate, or serrate, seldom entire.
mostly proximal to mid stems.
mostly shorter than leaf blades.
campanulate, 15–25 mm diam.
mostly yellow (becoming brick red and chartaceous in B. rosea).
(20–)30–40.
lanceolate to lance-triangular, 10–22 mm, shorter than inner, apices acute to attenuate (margins ciliate).
usually borne singly.
= 38.
Balsamorhiza serrata
Balsamorhiza subg. Balsamorhiza
Balsamorhiza serrata hybridizes with B. careyana. Leaves of the hybrids tend to be prostrate rather than erect. Most of the hybrids display the larger size of B. careyana and lack the pubescence of the heads; serrata-like plants never develop more than a single head nor do they have the pubescence of the cypselae.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Species 9 (9 in the flora).
Members of subg. Balsamorhiza usually inhabit shallow, rocky soils.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
CA
OR
WA
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
