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Extreme heat in the Southwest is testing iconic desert plants like agave. The Summary Increasingly frequent and severe heat waves in the Southwest are damaging some desert plants known for ...
Agave sanpedroensis is a perennial rosette-forming plant with succulent leaves, 50–70 cm tall and wide and producing abundant offsets. The leaves are stiffly upright, gray to grayish green, with conspicuous banding and white bud-imprinting, and undulate margins.
Edema, (also spelled oedema, and named from the analogous disorder in humans and other animals), is a disorder in plants caused by the build-up of water in plant tissues faster than the leaves can transpire. [1] [2] The excess fluid bursts the cell membranes, which can appear as blistery growths, red spots, or small white 'crystals'. [3]
Agave takes little water but presents other challenges. The plant typically takes at least seven years to grow and is tough to harvest, and a mature plant can weigh hundreds of pounds. Once cut ...
Agave shawii is a very slow-growing, small-to-medium-sized agave. The colorful spines on the margins of the leaves. The foliage is arranged in a rosette that measures 8 centimetres (3.1 in) to 2 metres (6.6 ft) wide. There may be numerous rosettes on top of erect to decumbent trunks that emerge from the rootstock. The foliage is glossy, colored ...
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Agave leaves store the plant's water and are crucial to its continued existence. The coated leaf surface prevents evaporation. The leaves also have sharp, spiked edges. The spikes discourage predators from eating the plant or using it as a source of water and are so tough that ancient peoples used them for sewing needles. The sap is acidic ...
Varieties of the species include the Nevada agave and Kaibab agave. It is an uncommon plant of the United States' desert southwest, in the states of Utah , Nevada , Arizona , and California . Although plants in some areas are threatened, overall the species is stable and is considered to be of Least Concern by the IUCN .