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The Arctic willow is a food source for several Arctic animals. Muskoxen, caribou, Arctic hares, and lemmings all feed on the bark and twigs, while the buds are the main food source of the rock ptarmigan. It is the primary host plant and food source for the Arctic woolly bear moth (Gynaephora groenlandica). [10]
Salix herbacea, the dwarf willow, least willow or snowbed willow, is a species of tiny creeping willow (family Salicaceae) adapted to survive in harsh arctic and subarctic environments. Distributed widely in alpine and arctic environments around the North Atlantic Ocean , it is one of the smallest woody plants .
Diamond willow is a type of tree with wood which is transformed into diamond-shaped segments that have alternating colors. Salix bebbiana , the most common, is a species of willow indigenous to Canada and the northern United States, from Alaska and Yukon south to California and Arizona and northeast to Newfoundland and New England.
The Arctic willow, commonly named rock willow, is found in the North American tundra. Most uniquely, the Arctic willow often has long trailing branches that root where they intersect with the surface of the ground, and the roots are shallow as to thrive in the frozen ground of the tundra (Wielgolaski 1972).
Salix myrtillifolia is a species of flowering plant in the willow family known by the common name blueberry willow. It is native to northern North America, where it occurs in Alaska and much of Canada. [2] This willow is a shrub with two growth varieties. Low blueberry willow (S. m. var. myrtillifolia) is a small shrub under 60 cm (24 in) tall ...
Salix irrorata, the dewystem willow, blue-stem willow, or sandbar willow, is a species of willow native to the US states of Wyoming, Colorado, Arizona, and New Mexico, and to northern Mexico. [3] In spite of its bluestem willow common name, its stems are red, but a white coat develops that makes them appear bluish.
Salix planifolia is a shrub varying in size from low and bushy, to long thickets, to a treelike form 9 m (30 ft) in height. The leaves are generally oval in shape with pointed tips, measuring up to 6.5 cm long.
There are at least two recognized varieties of this species of willow: Salix brachycarpa var. brachycarpa is the typical variety. Salix brachycarpa var. niphoclada is considered the arctic variety. [1] Salix brachycarpa var. psammophila, a variety endemic to the Lake Athabasca sand dunes in northern Saskatchewan, Canada. [8] [9]
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