Search results
Results from the WOW.Com Content Network
Arizona—Sonora Desert Museum: Flora of the Sonoran Desert Region; U.S. Wildflowers Reference List: Arizona — Reference List of websites for Arizona Wildflower Identification. Pima Community College. Common Wildflowers of Tucson. Floras - Arizona Native Plant Society
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 ...
Parkinsonia microphylla, the yellow paloverde, foothill paloverde or little-leaved palo verde; syn. Cercidium microphyllum), is a species of palo verde. It is native to the Southwestern United States in southeastern California and southern Arizona ; and to northwest Mexico in the states of Sinaloa , Sonora , and Baja California .
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.
The velvet mesquite is native to the Sonoran, Mojave, and Chihuahuan Deserts. It grows at elevations below 4,000 to 5,000 feet (1,200 to 1,500 m) in desert grasslands and near washes. The main distribution is in central and southern Arizona and in adjacent Sonora, Mexico. Near waterways, mesquites can form deciduous woodlands called bosques. [5]
The flowers only appear on the very top of the plant. As the flowers begin to wilt in early May, they may change color. A late summer desert rainstorm can produce a late bloom, as shown in the photograph below of the orange-flowered variety (it bloomed two days after a hurricane in mid-August and continued to bloom through the end of September).
Olneya tesota is an indicator species of the Sonoran Desert region. [6] The Sonoran Desert has one other species with the identical north–south, and east–west range. The seasonally migrating lesser long-nosed bat follows the bloom season of various species from south to north and extends into the same regions of the Sonoran Desert as Olneya ...
The flowers bloom in August and September regardless of rainfall; [5] they occur in short racemes, and have a honey scent. [7] The flowers have short, cream-yellow corollas, with the limb of the petals inflexing around the filaments of the stamens. The anthers and stamens protrude out, while the stigma is protected by the inflexed petal limbs.