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This is a list of U.S. state, federal district, and territory trees, ... California: Coast redwood: Sequoia sempervirens: 1937 [8] [9] Giant sequoia: Sequoiadendron ...
In 1993, The Jepson Manual estimated that California was home to 4,693 native species and 1,169 native subspecies or varieties, including 1,416 endemic species. A 2001 study by the California Native Plant Society estimated 6,300 native plants.
Washingtonia filifera, the desert fan palm, [4] California fan palm, or California palm, [5] [6] [7] is a flowering plant in the palm family Arecaceae, native to the far southwestern United States and Baja California, Mexico. Growing to 15–20 m (49–66 ft) tall by 3–6 m (10–20 ft) broad, it is an evergreen monocot with a tree-like
Parkinsonia florida grows to heights of 10–12 metres (33–39 ft). It is a rapidly growing large shrub or small tree, and rarely survives to 100 years.Compared to the closely related Parkinsonia microphylla (foothill paloverde), it appears more decumbent in overall form, is taller, and matures more quickly.
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.
Ceanothus is a genus of about 50–60 species of nitrogen-fixing shrubs and small trees in the buckthorn family (). [3] [4] [2] [5] Common names for members of this genus are buckbrush, California lilac, soap bush, or just ceanothus.
Tecoma stans is a semi-evergreen shrub or small tree, growing up to 10 m (30 ft) tall. [1] It features opposite odd-pinnate green leaves, with 3 to 13 serrate, 8- to 10-cm-long leaflets. The leaflets, glabrous on both sides, have a lanceolate blade 2–10 cm long and 1–4 cm wide, with a long acuminate apex and a wedge-shaped base.
Betula glandulosa, taken at Chepeta Lake, Uintah, Utah.. This plant occurs in arctic and cool temperate areas from Alaska east to Newfoundland and southern Greenland, and south at high altitudes to northern California, Colorado, and the Black Hills of South Dakota in the west, [3] and locally south to northern New York in the east.