Arnica dealbata
Arnica angustifolia
mock leopardbane
alpine arnica, arctic arnica, narrow-leaf arnica
mostly simple.
usually simple, rarely branched.
3–8 pairs, mostly crowded toward bases; petiolate (at least proximal);
blades elliptic to oblanceolate or obovate, 5–10 × 0.5–3.5 cm, margins entire, apices acute, faces densely hairy (hairs relatively short, curly) and sessile-glandular (distal leaves sessile, much reduced).
1–5 pairs, mostly cauline; petiolate (petioles broadly to narrowly winged, shorter than blades);
blades broadly lanceolate to linear, 2–20 × 0.3–4 cm, margins entire or irregularly denticulate or dentate, apices acute or acuminate, faces glabrous or densely woolly-villous and stipitate-glandular.
campanulate to hemispheric.
hemispheric.
5–12;
corollas yellow.
6–16;
corollas yellow.
(functionally staminate): corollas yellow;
anthers yellow (styles rarely exserted).
corollas yellow;
anthers yellow.
5–12 (in 1 series), oblong or elliptic.
9–22, usually narrowly to broadly lanceolate, sometimes oblanceolate.
1–6.
1–3(–5; erect).
brown to black, 4–10 mm, sparsely to densely hirsute (hairs usually simple, rarely duplex) and sparsely stipitate-glandular;
pappi 0.
brown, 3–8 mm, densely hirsute, rarely glandular;
pappi white, bristles barbellate.
= 38, 76.
Arnica dealbata
Arnica angustifolia
Although Arnica dealbata lacks pappi, morphologic, cytologic, and molecular data (B. G. Baldwin and B. L. Wessa 2000; Baldwin et al. 2002) clearly support its inclusion in Arnica.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Subspecies 2 (2 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Leaves linear to broadly lanceolate, faces glabrousor moderately villous | subsp. angustifolia |
1. Leaves narrowly lanceolate, faces densely white-woolly-villous | subsp. tomentosa |
CA
WildflowerSearch
iNaturalist
USDA Plants Database
BC
PNW Herbaria
