Search results
Results from the WOW.Com Content Network
Ambrosia ilicifolia is a small, matted shrub under 1 metre (3.3 ft) in height. Its stiff, straight branches are green, glandular, and leafy when young, and light gray and leafless when older. The holly-like leaves are leathery but brittle, oval-shaped to rounded, and edged with spine-tipped teeth. They are green, veiny and sticky with resin.
Ambrosia ambrosioides (Cav.) W.W.Payne – ambrosia-leaf bur ragweed, big bursage, ambrosia bursage; Ambrosia arborescens Mill. – marko, altamisa; Ambrosia artemisiifolia L. – common ragweed, short ragweed, Roman wormwood; Ambrosia artemisioides Meyen & Walp. Ambrosia bidentata Michx. – lanceleaf ragweed, southern ragweed; Ambrosia ...
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 ...
Somewhat similar in appearance to Ambrosia ilicifolia, A. ilicifolia has sessile leaves with a reticulate pattern of veins, and the marginal teeth developed into short spines. [2] This ragweed can be found in sandy washes and other disturbed areas such as roadsides, and is sometimes seen growing in rock crevices. [2]
For example, in the Sonoran Desert, nurse plants canopies provide reduced summer daytime temperatures, soil surface temperatures, and direct sunlight, higher soil fertility, protection from the wind and browsing animals, reduced evapotranspiration rates in the nursed species, elevated nighttime temperatures, and post-fire resprouting in some ...
Common ragweed, Ambrosia artemisiifolia, is a widespread invasive species, and can become a noxious weed, that has naturalized in Europe; temperate Asia and the Indian subcontinent; temperate northern and southern Africa and Macaronesia; Oceania in Australia, New Zealand, and Hawaii; and Southwestern North America in California and the ...
The ecotone between the hotter, drier Colorado Desert and that of the relatively cooler and wetter Arizona Upland occurs from Parker, Arizona southeast to near Phoenix, then south to Organ Pipe Cactus National Monument. [2]: 6 Density of vegetation gradually diminishes moving from the Arizona Upland into the Colorado Desert proper.
Ambrosia salsola, [3] commonly called cheesebush, winged ragweed, burrobush, [4] white burrobrush, [citation needed] and desert pearl, [citation needed] is a species of perennial shrub in the family Asteraceae native to deserts of the southwestern United States and northwestern Mexico.