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California also has 1,023 species of non-native plants, some now problematic invasive species, such as yellow star-thistle, that were introduced during the Spanish colonization, the California Gold Rush, and subsequent immigrations and import trading of the 18th, 19th and 20th centuries.
Calpurnia is a genus of flowering plants within the family Fabaceae. It includes six species which range through eastern, central, and southern Africa and in southern India. [ 1 ] The genus comprises shrubs or small trees in or along the margin of forests in the eastern parts of South Africa .
Alpine plants often have gray appearance from hairs covering the leaves, which reflect the intense sunlight, and protect from winds that cause high rates of water loss through transpiration. [4]: 224 Many Sierra Nevada alpine plants have reddish or whitish leaves to protect them from damage from intense ultraviolet radiation in the alpine zone.
Increasingly frequent and severe heat waves in the Southwest are damaging some desert plants known for thriving in harsh conditions. Saguaro cacti and agave have both suffered in sweltering ...
The Sonoran Desert. The Sonoran Desert is a North American desert and ecoregion which covers large parts of the southwestern United States and of northwestern Mexico. With an area of 260,000 square kilometers (100,000 sq mi), it is the hottest desert in Mexico. The western portion of the Mexico–United States border passes through the Sonoran ...
Chaenactis glabriuscula var. orcuttiana (Greene) H.M.Hall - coast from Ventura Co to Baja California; One variety, Chaenactis glabriuscula var. orcuttiana — Orcutt's yellow pincushion, is a rare variety limited to the beaches and coastal dunes of Southern California and Baja, where it is threatened by development of its coastal habitat. [7]
There are three main deserts in California: the Mojave Desert, the Colorado Desert, and the Great Basin Desert. [5]: 408 The Mojave Desert is bounded by the Tehachapi Mountains on the northwest, the San Gabriel and San Bernardino Mountains on the south, and extends eastward to California's borders with Arizona and Nevada; it also forms portions of northwest Arizona.
This list of flora of the Mojave Desert region includes the flora of the Mojave Desert and of the mountains that are encircled by the Mojave Desert. Some of this flora is well above the level of growth of Yucca brevifolia ( Joshua Trees ), the upper reaches of which defines the outline of the Mojave Desert.