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Arnica / ˈ ɑːr n ɪ k ə / is a genus of perennial, herbaceous plants in the sunflower family ().The genus name Arnica may be derived from the Greek arni, "lamb", in reference to the plants' soft, hairy leaves.
An individual plant can live 12 years, surviving periodic wildfire by resprouting from its long, slender rhizome afterward. [7] [8] The species could be confused with the similar Arnica latifolia, from which it can be distinguished by the leaves. The leaves of A. cordifolia are larger and heart-shaped.
Arnica angustifolia is an Arctic and alpine species of plants in the sunflower family, known by the common names narrowleaf arnica [2] and Arctic arnica. [3] It is native to colder regions in Europe , Asia , and North America (northern and western Canada , Alaska , northern Rocky Mountains . [ 4 ]
Arnica discoidea is a North American species of arnica in the sunflower family. It is known by the common name rayless arnica because its flower heads have disc florets but none of the showier ray florets. It is native to the woodlands, forests, and chaparral of the western United States (Washington, Oregon, California, and western Nevada ...
Arnica cernua is a species of arnica known by the common name serpentine arnica. [2] It is native to the Klamath Mountains of northern California and southern Oregon, where it is a member of the serpentine soils flora. [3] [4] This is a perennial herb growing one or more green to purplish stems up to about 30 centimeters tall.
Arnica latifolia is a species of arnica in the sunflower family, known by the common names broadleaf arnica, broad leaved arnica, mountain arnica, and daffodil leopardbane. It is native to western North America from Alaska east to Northwest Territories and south to Mono County , California , and Taos County , New Mexico .
Warren Wilson, the former KTLA broadcast journalist who spent four decades covering some of the biggest stories in Los Angeles’ history, died Friday at his home in Oxnard, Calif. He was 90. His ...
Arnica montana contains the toxin helenalin, which can be poisonous if large amounts of the plant are eaten or small amounts of concentrated Arnica are used. Consumption of A. montana can produce severe gastroenteritis , internal bleeding of the digestive tract, raised liver enzymes (which can indicate inflammation of the liver), nervousness ...