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The alpine zone, or alpine fell-field, is above the tree line, generally at 11,000 to 11,500 feet (3,400 to 3,500 m) in the south, [4] [5]: 8 and 9,900 feet (3,000 m) [6]: 17 to 10,500 feet (3,200 m) [4] in the north. The plants are influenced by having to endure long and very cold winters, poor to no soils, constant high winds, intense ...
The plant is a flowering evergreen hardwood shrub or small multi-trunked tree, growing from 2.4–5.5 metres (8–18 ft) in height and 1.8–3.0 m (6–10 ft) in width. The 1–5 cm (3 ⁄ 8 –2 in) leaves are olive to gray−green, fuzzy and flannel-like, palmately to pinnately lobed. The hairs covering the leaves are easily brushed off in ...
In phytogeography, concerned with the geographic distribution of plant species, floristic provinces are used. The Sierra Nevada are primarily within the California Floristic Province, with the Rocky Mountain Floristic Province to the north, the Great Basin Floristic Province to the east, and Sonoran Floristic Province to the south.
Of California's total plant population, 2,153 species, subspecies, and varieties are endemic and native to California alone, according to the 1993 Jepson Manual study. [4] This botanical diversity stems not only from the size of the state, but also its diverse topographies , climates, and soils (e.g. serpentine outcrops ).
Shrubs and herbs are usually sparse, but can be common in stands where snow melts earlier in the growing season. Diversity of herbs in the subalpine zone is usually less than lower-elevation zones such as upper and lower montane. Broad classifications of herb and shrub communities can be found in Sawyer and Keeler-Wolf. [7]
The nectar and pollen of the flowers is toxic to honeybees, [3] so the trees should not be planted near apiaries. [5] When the shoots are small and leaves are new, they are lower in toxins and are grazed by livestock and wildlife. [6] The flowers are a rich nectar source for many species of butterflies, [7] and squirrels and chipmunks consume ...
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