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Ephedra nevadensis, commonly known as Nevada ephedra, gray ephedra, Mormon tea and Nevada jointfir, [1] [4] is a species of gymnosperm native to dry areas of western North America. Its range extends west to California and Oregon , east to Texas , and south to Baja California , including areas of the Great Basin , Colorado Plateau and desert ...
Ephedra is a genus of gymnosperm shrubs.The various species of Ephedra are widespread in many arid regions of the world, ranging across southwestern North America, southern Europe, northern Africa, southwest and central Asia, northern China, and western South America. [2]
Ephedraceae is agreed to be the most basal group amongst extant gnetophytes. Members of the family typically grow as shrubs and have small, linear leaves that possess parallel veins.
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.
Ephedra viridis, known by the common names green Mormon tea, Brigham tea, green ephedra, and Indian tea, is a species of Ephedra. It is indigenous to the Western United States, where it is a member of varied scrub, woodland, desert, and open habitats. It grows at 900–2,300 metres (3,000–7,500 ft) elevations.
An environmental report done by Insignia Environmental for Southern California Edison reported several vegetation alliances: Ephedra nevadensis (Nevada ephedra) shrubland alliance, Ericameria nauseosa (rubber rabbitbrush) shrubland alliance, Eriogonum fasciculatum (California buckwheat) shrubland alliance, Prunus fasciculata (desert almond) shrubland alliance, Purshia tridentata (bitterbrush ...
Ephedra cutleri – Navajo ephedra, Cutler's jointfir Ephedra fasciculata – Arizona ephedra, Arizona jointfir, desert Mormon-tea Ephedra nevadensis – Nevada ephedra
Specifically, this event has been documented in both Ephedra and Gnetum, a subset of gnetophytes. [7] In Ephedra nevadensis, a single binucleate sperm cell is deposited into the egg cell. Following the initial fertilization event, the second sperm nucleus is diverted to fertilize an additional egg nucleus found in the egg cytoplasm.