Flora of North America species comparison

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Balsamorhiza deltoidea

Balsamorhiza hispidula

deltoid balsam root, Puget balsamroot

hairy balsamroot, hispid balsamroot
Habit Plants 20–90 cm. Plants 6–40 cm.
Leaves

blades bright green, narrowly lance-elliptic to lanceolate, (6–)15–25(–40) × (3–)5–9+ cm (1–2-pinnatifid, primary lobes lanceolate to oblanceolate, 10–45 × 2–15 mm, secondary lobes usually divergent, antrorse), bases ± cuneate, ultimate margins usually entire (± revolute and/or thickened, often ciliate), apices acute to attenuate, faces ± hispidulous to hirtellous (gland-dotted as well; veins ± scabrous).
Basal leaves

blades green, deltate or rounded-deltate to triangular-deltate, 10–25+ × 7–15(–20) cm, bases cordate to sagittate, margins usually crenate to dentate (at least near bases), sometimes entire, apices acute, faces usually sparsely hirtellous to hispidulous, sometimes glabrous (usually gland-dotted, sometimes vernicose).

Involucres

campanulate to hemispheric 15–30+ mm diam.

campanulate to hemispheric 10–25 mm diam.
Ray laminae

20–50 mm.

15–40 mm (abaxially glabrous).
Outer phyllaries

oblong to lanceolate or lance-linear, (12–)30–40(–60) mm, usually much surpassing inner, apices acute.

lanceolate to linear, 12–20 mm, not surpassing inner, apices acute to attenuate (margins often ciliate).
Heads

usually borne singly, sometimes 2+.

borne singly.
2n

= 38.

Balsamorhiza deltoidea

Balsamorhiza hispidula
Phenology Flowering (Mar–)Apr–Jun(–Jul). Flowering Apr–May.
Habitat Open hillsides, openings in chaparral or forests Basalt scablands and desert-steppe areas, juniper and sagebrush scrublands
Elevation 60–1800(–2400) m (200–5900(–7900) ft) 1800–2500 m (5900–8200 ft)
Distribution
from FNA
CA; OR; WA; BC
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CO; ID; MT; NV; OR; UT; WY
[WildflowerSearch map]
[BONAP county map]
Discussion

Balsamorhiza deltoidea varies in the crenation of the leaf margins. The variability may stem from an old hybridization with B. hookeri or other species of Balsamorhiza. Otherwise, B. deltoidea shows little significant variability except where it hybridizes with B. careyana in the narrows of the Columbia River Gorge.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Distribution of Balsamorhiza hispidula is highly disrupted in the southern part of its range.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 95. FNA vol. 21, p. 98.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Balsamorhiza > subg. Artorhiza Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Balsamorhiza > subg. Balsamorhiza
Sibling taxa
B. careyana, B. hispidula, B. hookeri, B. incana, B. lanata, B. macrolepis, B. macrophylla, B. rosea, B. sagittata, B. sericea, B. serrata
B. careyana, B. deltoidea, B. hookeri, B. incana, B. lanata, B. macrolepis, B. macrophylla, B. rosea, B. sagittata, B. sericea, B. serrata
Synonyms B. glabrescens B. hookeri var. hispidula
Name authority Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 351. (1840) W. M. Sharp: Ann. Missouri Bot. Gard. 22: 137, fig. 3, plate 5. (1935)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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