Balsamorhiza lanata

(W. M. Sharp) W. A. Weber

Phytologia 85: 20. 1999.

EndemicConservation concern
Basionym: Balsamorhiza hookeri var. lanata W. M. Sharp Ann. Missouri Bot. Gard. 22: 130. 1935
Treatment appears in FNA Volume 21. Treatment on page 97. Mentioned on page 94.

Plants 10–20(–30) cm. 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. Heads borne singly. Involucres ± hemispheric, 12–20 mm diam. Outer phyllaries lanceolate to linear, 10–20 mm, sometimes surpassing inner, apices acute to attenuate. Ray laminae (10–)15–20 mm (abaxially puberulent or glabrous).

Phenology: Flowering Apr–May(–Jun).
Habitat: Roadsides, grassy slopes
Elevation: 700–1500 m


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.

Selected References


Lower Taxa

... more about "Balsamorhiza lanata"
William A. Weber +
(W. M. Sharp) W. A. Weber +
Balsamorhiza hookeri var. lanata +
Calif. +  and Oreg. +
700–1500 m +
Roadsides, grassy slopes +
Flowering Apr–May(–Jun). +
Endemic +  and Conservation concern +
Undefined (tribe Undefined) subtribe Enceliinae +, Undefined (tribe Undefined) subtribe Engelmanniinae +, Undefined (tribe Undefined) subtribe Spilanthinae +, Undefined (tribe Undefined) subtribe Verbesininae +  and Undefined (tribe Undefined) subtribe Zinniinae +
Balsamorhiza lanata +
Balsamorhiza subg. Balsamorhiza +
species +