Unalaska Arnica

Arnica unalaschcensis Less.

O CP

The stems are green, unbranching, 4" to 12" tall, and pubescent (covered in short, soft hairs). The leaves, held in three to five pairs, are bluntly lanceolate, ribbed, and pubescent. The flowering heads are always single. The bright yellow rays are distinctly notched at the ends. The tiny anthers surrounding the center are purple.

Unalaska arnica is a bright little bloom of upper elevations, stony tundra and rocky out-croppings. It is often found growing among louseworts (Pedicalaris spp.) and lichens. The similar Arnica chamissonis is usually taller and often has numerous flowering heads.

Range:

Japan, Kamchatka, Aleutians, and Bering Sea islands.

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