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Arnica spathulata
Arnica spathulata is a rare North American species of flowering plant in the family Asteraceae, known by the common name Klamath arnica. It is native to the Klamath Mountains of northwestern California (Humboldt, Trinity, Siskiyou, and Del Norte Counties) and southwestern Oregon (Curry, Josephine, Jackson, and Douglas Counties). It grows in woodland habitat, almost exclusively on serpentine soils.
Arnica spathulata is a rhizomatous perennial herb producing one or more hairy, glandular stems 10 to 50 centimeters tall. There are several pairs of broadly lance-shaped leaves along the stem, and a cluster of leaves about the base of the stem. The basal leaves are up to about 15 centimeters long and the cauline leaves, those higher on the stem, are somewhat shorter.
Common leopardbane · Narrowleaf arnica · Serpentine arnica · Chamisso arnica · Heartleaf arnica · Mock leopardbane · Rayless arnica · Foothill arnica · Smallhead arnica · Snow Arnica · Lanceleaf arnica · Broadleaf arnica
Text excerpted from the Wikipedia article Arnica spathulata by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
