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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]
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.
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 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]
Arnica chandleri Rydb. 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 fulgens is a perennial herb growing from a short, tough rhizome and producing one or more hairy, glandular, mostly naked stems to heights between 10 and 60 centimeters. The leaves are mainly located around the base of the plant. They are broadly lance-shaped to oval-shaped and have tufts of woolly fibers in their axils.
Arnica spathulata is a rhizomatous perennial herb producing one or more hairy, glandular stems 10 to 50 centimeters tall. [3] There are several pairs of broadly lance-shaped leaves along the stem, and a cluster of leaves about the base of the stem. [3] The basal leaves are up to about 15 centimeters long and the cauline leaves, those higher on ...
Arnica stricta var. lessingii Torr. & A.Gray. Arnica lessingii is a Russian and North American species of arnica in the sunflower family. The common name is nodding arnica. [2] It is found on both sides of the Bering Strait, being native to Alaska, Yukon, British Columbia, Northwest Territories, and the Kamchatka Peninsula of the Pacific Coast ...