Balsamorhiza sericea |
|
|---|---|
|
silky balsamroot, silvery balsamroot |
|
| Habit | Plants 10–30(–40) cm. |
| Basal leaves | blades silvery, lanceolate or lance-ovate, 9–30 × 2–7 cm (1-pinnatifid, lobes oblong to oblanceolate, 5–35 × 3–17 mm), bases cuneate, ultimate margins usually entire (plane or weakly revolute, obscurely, if at all, ciliate), apices rounded to acute, faces densely sericeous. |
| Involucres | campanulate to hemispheric, 11–20+ mm diam. |
| Ray laminae | 15–20 mm (adaxially puberulous on veins). |
| Outer phyllaries | broadly ovate to triangular-ovate, 12–20 mm, slightly surpassing inner, apices acuminate to attenuate (margins not ciliate). |
| Heads | borne singly. |
Balsamorhiza sericea |
|
| Phenology | Flowering Apr–May. |
| Habitat | Serpentine outcrops, among surface rocks, in crevices, hillsides, dry streamsides among cobbles |
| Elevation | 400–1800 m [1300–5900 ft] |
| Distribution |
CA; OR
|
| Discussion | Balsamorhiza sericea hybridizes with B. deltoidea. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
| Parent taxa | |
| Sibling taxa | |
| Name authority | W. A. Weber: Phytologia 50: 358. (1982) |
| Source | FNA vol. 21, p. 96. |
| Web links | |