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Arnica
parryi (Arnica) Montane,
subalpine. Woodland openings, meadows. Summer. This rayless Arnica generally grows at the same altitudes as the other Arnicas pictured on this web site, but it rarely reaches the alpine zone. It does not usually grow as densely as Arnica cordifolia and Arnica mollis but it does grow in patches of many dozens of plants -- as well as in small scattered patches. It grows to a very slim 20 inches tall, has nodding flower buds, erect or nodding flowers, clustered basal leaves, up to four pairs of shorter stem leaves, and phyllaries edged in purple. (The phyllaries are the hairy, green, cup-shaped enclosure below the golden flower.)
Fall leaf
color is a very subtle light gray-maroon.
This species was first collected by Charles Parry, eminent 19th century Colorado botanist, in Clear Creek, Colorado in the early 1860s and was named for Parry in 1864 by Asa Gray. (More biographical information.) The word "Arnica" means "lamb's skin," and probably refers to the downy soft leaves. |
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Arnica rydbergii
(Arnica) Subalpine, alpine. Rocks. Summer. Found isolated or in scattered patches, this bright yellow Arnica prefers subalpine and alpine rocky areas. Widely spaced leaves can be slightly serrated. The species name was given in 1899 by Edward Greene to honor Per Axel Rydberg, a giant in Colorado botany. He wrote Flora of the Rocky Mountains and Adjacent Plains in 1917. (More biographical information.) |
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Arnica rydbergii
(Arnica) Subalpine, alpine. Rocks. Summer. |
