Where does the Arctic willow live?
The Arctic willow grows in tundra and rocky moorland, and is the northernmost woody plant in the world, occurring far above the tree line to the northern limit of land on the north coast of Greenland.
How does Arctic willow survive in the tundra?
Salix arctica has made many adaptations to the cold climate of the North American tundra. In its strongest growth season the Salix arctica forms a pesticide to keep insects like the Arctic woolly bear away. It has also adapted to the permafrost by growing a shallow root system.
Is the Arctic willow endangered?
Salix arctica/Extinction status
What eats Arctic willow in the tundra?
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 Ptarmigan. Both the Inuit and the Gwich’in make use of this willow.
Do willow trees live in the tundra?
Plants in the Tundra Some plants that grow in the tundra include short shrubs, sedges, grasses, flowers, birch trees and willow trees. Cushion plants, which, also grow in the tundra, are types of plants that grow low to the ground in tight places. Lichen also is found in the tundra.
Do arctic willows have flowers?
The Arctic Willow is a small shrub that is well adapted to grow in harsh arctic conditions. In fact, it is the only woody plant in the world that can grow well above the tree line….
|Common Name: Scientific Name:||Arctic Willow Salix arctica|
|Overall Height: Flower Size:||2 to 5 inches 1 to 3 inches|
Why are trees short in the tundra?
There are a variety of reasons trees don’t grow in this region. First, the permafrost prevents them from taking root, then those that do manage it have shallow root systems that are not an ideal anchor to withstand the high winds. Finally, low precipitation means there is not enough water to support trees.
Is Arctic willow a tree?
A spreading shrub or upright small tree, the blue Arctic willow (Salix purpurea) also is called purple osier because of its reddish purple young twigs. Reaching a mature height and width of 10 to 15 feet, it is fast-growing and tolerates adverse growing conditions and harsh pruning.
How many arctic willows are there?
As a genus, the willows are a widespread group containing approximately 400 species occurring mostly in the northern hemisphere. In the arctic and subarctic regions of Europe and North America there are approximately 28 boreal species with numerous subspecies and hybrids.
Where is tundra located?
Arctic tundra are found on high-latitude landmasses, above the Arctic Circle—in Alaska, Canada, Russia, Greenland, Iceland, and Scandinavia, for example—or on far southern regions, like Antarctica. Alpine tundra are located at very high elevations atop mountains, where overnight temperatures fall below freezing.
Is arctic willow a tree?
What is the arctic willow scientific name?
Salix arctica/Scientific names