Balsamorhiza hispidula |
Balsamorhiza lanata |
|
---|---|---|
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 |
AZ; CO; ID; MT; NV; OR; UT; WY
|
CA; OR |
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 | ||
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) |
Web links |