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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 ).
The Santa Monica Mountains are covered by hundreds of local plant species: some are endemic or very rare, some are beautiful California native plants in situ, and some also are familiar as horticultural ornamental and native garden plants. Each season has different plants predominating the visual experience.
Quercus agrifolia, the California live oak, [3] or coast live oak, is an evergreen [4] live oak native to the California Floristic Province.Live oaks are so-called because they keep living leaves on the tree all year, adding young leaves and shedding dead leaves simultaneously rather than dropping dead leaves en masse in the autumn like a true deciduous tree. [5]
Cercis occidentalis is a deciduous shrub to small tree, growing up to 7 metres (23 ft) tall. The largest individual is in Santa Rosa and is 8.8 metres (29 ft) high. Its crown is rounded on clustered, erect branches to a width of 10–20 feet (3.0–6.1 m).
Fremontodendron californicum is cultivated as an ornamental plant by specialty plant nurseries, for planting in native plant, drought tolerant, and wildlife gardens, and in natural landscaping and habitat restoration projects. [16] [17] Cultivated plants need good drainage, and no supplemental summer water when established.
Then, from 2019 to 2022, they planted nearly 8,500 evergreen trees, 630 deciduous trees — the type that lose leaves in the fall — and 45 different types of shrubs in parts of the 4-mile study ...
The Endemic flora of the State of California — native plants found within its borders, and nowhere else in nature.; The largest area of the state is in the Mediterranean climate floristic region, within the California Floristic Province — with the greatest number of endemic plants in North America.
Above the tree line, extreme winds preclude tree-like growth. [6]: 17 Constant winds hitting the plants limits their size and flattens their shape. [10]Small size or dwarfism is therefore an adaptive feature to the extremes, and most alpine plants are just a few inches tall.