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hairy balsamroot, hispid balsamroot

lanate balsamroot, woolly balsamroot, Yreka balsamroot

Habit Plants 6–40 cm. Plants 10–20(–30) 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 white to grayish, lanceolate to linear-oblong, 10–20 × 3–6(–8) cm (1–2-pinnatifid, primary lobes lance-linear to oblong, mostly 5–40 × 1–10 mm, secondary lobes or teeth antrorse, divergent), bases cuneate to truncate, ultimate margins mostly entire (± revolute), apices rounded to acute, faces densely lanate-tomentose to villous.

Involucres

campanulate to hemispheric 10–25 mm diam.

± hemispheric, 12–20 mm diam.

Ray laminae

15–40 mm (abaxially glabrous).

(10–)15–20 mm (abaxially puberulent or glabrous).

Outer phyllaries

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

lanceolate to linear, 10–20 mm, sometimes surpassing inner, apices acute to attenuate.

Heads

borne singly.

borne singly.

Balsamorhiza hispidula

Balsamorhiza lanata

Phenology Flowering Apr–May. Flowering Apr–May(–Jun).
Habitat Basalt scablands and desert-steppe areas, juniper and sagebrush scrublands Roadsides, grassy slopes
Elevation 1800–2500 m (5900–8200 ft) 700–1500 m (2300–4900 ft)
Distribution
from FNA
AZ; CO; ID; MT; NV; OR; UT; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; OR
[BONAP county map]
Discussion

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

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

Of conservation concern.

Balsamorhiza lanata is known from a relatively restricted area in northern California and southern Oregon. No hybrids between it and other species have been noted.

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

Source FNA vol. 21, p. 98. FNA vol. 21, p. 97.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Balsamorhiza > subg. Balsamorhiza Asteraceae > tribe Heliantheae > subtribe Ecliptinae > Balsamorhiza > subg. Balsamorhiza
Sibling taxa
B. careyana, B. deltoidea, B. hookeri, B. incana, B. lanata, B. macrolepis, B. macrophylla, B. rosea, B. sagittata, B. sericea, B. serrata
B. careyana, B. deltoidea, B. hispidula, B. hookeri, B. incana, B. macrolepis, B. macrophylla, B. rosea, B. sagittata, B. sericea, B. serrata
Synonyms B. hookeri var. hispidula B. hookeri var. lanata
Name authority W. M. Sharp: Ann. Missouri Bot. Gard. 22: 137, fig. 3, plate 5. (1935) (W. M. Sharp) W. A. Weber: Phytologia 85: 20. (1999)
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