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Gerbera Boehm. Aliseta Raf. Epiclinastrum Bojer ex DC. Aphyllocaulon Lag. Arnica / ˈɑːrnɪkə / is a genus of perennial, herbaceous plants in the sunflower family (Asteraceae). The genus name Arnica may be derived from the Greek arni, "lamb", in reference to the plants' soft, hairy leaves.
Arnica montana. Arnica montana is a flowering plant about 18–60 cm (7.1–23.6 in) tall aromatic fragrant, herbaceous perennial. Its basal green ovate leaves with rounded tips are bright coloured and level to the ground. In addition, they are somewhat downy on their upper surface, veined and aggregated in rosettes.
It has two to four pairs of leaves on the stem, each on a long petiole. The leaves are heart-shaped to arrowhead-shaped and finely toothed along the edges. The inflorescence bears one or more daisylike flower heads 5–9 cm (2– 3+1⁄2 inches) in width, [ 3 ] lined with white-haired phyllaries and sometimes studded with resin glands.
Arnica latifolia is a perennial herb growing from a long rhizome and producing a hairy, mostly naked stem 10 to 50 centimeters tall. It has a cluster of leaves around its base and usually a few pairs along the lower part of the stem. The leaves are lance-shaped to broad and nearly heart-shaped, and are usually toothed. [5]
Arnica tomentosa Macoun, syn of subsp. tomentosa. 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. [2] It is native to the woodlands, forests, and chaparral of the western United States ( Washington, Oregon, California, and western Nevada ...
Arnica latifolia var. viscidula A.Gray. Arnica ovata is a North American species of flowering plant in the family Asteraceae, known by the common name sticky leaf arnica. [2] [3] It is native to western Canada ( Yukon, Alberta, British Columbia ), and the western United States ( Alaska, Washington, Oregon, California, Nevada, Utah, Idaho ...
Arnica lonchophylla var. lonchophylla. Arnica lonchophylla is a species of flowering plant in family Asteraceae. The common names for this species includes longleaf arnica, northern arnica, [2] and spear-leaved arnica. [3] It has daisy-like yellow flowers that are 2.5 to 5 cm across with a yellow center disks. [4]