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Desert ephemerals are plants which are adapted to take advantage of the short wet periods in arid climates. Mud-flat ephemerals take advantage of short periods of low water. In areas subjected to recurring human disturbance, such as plowing, weedy ephemerals are very short-lived plants whose entire life cycle takes less than a growing season .
It is a dioecious, leafless, phreatophyte (meaning its roots penetrate deep down to water near the water table) that is found in sandy deserts but not stony plains, in areas with access to ground water such as ephemeral rivers and paleochannels, where sand accumulating in the shelter of its stems can form hummocks up to 1000–1500 m 2 in area and 4 meters in height.
Atriplex phyllostegia is a species of saltbush known by the common names arrowscale, leafcover saltweed, and Truckee orach.It is native to the western United States from California to Utah, where it grows in meadow bottoms and areas with saline soils such as dry or ephemeral lakes.
Plants absorb water from the soil, which then evaporates from their shoots and leaves; this process is known as transpiration.If placed in a dry environment, a typical mesophytic plant would evaporate water faster than the rate of water uptake from the soil, leading to wilting and even death.
The diversity of climatic conditions, though quite harsh, supports a rich array of habitats. Many of these habitats are ephemeral in nature, reflecting the paucity and seasonality of available water. [1] Woody-stemmed shrubs and plants characterize vegetation in these regions. Above all, these plants have evolved to minimize water loss.
Senna armata is a species of flowering plant in the legume family known by the common names spiny senna and desert senna. It is native to the desert regions around the intersection of Nevada , Arizona , eastern California and northern Baja California , where it grows in sandy and rocky habitat, such as arroyos .
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 ...
Chilopsis is a monotypic genus of flowering plants containing the single species Chilopsis linearis. It is known commonly as desert willow [4] or desert-willow [3] because of its willow-like leaves, but it is not a true willow – being instead a member of the catalpa family. It is a shrub or tree native to the southwestern United States and ...