''Ephedra torreyana'', with common names Torrey's jointfir or Torrey's Mormon tea, is a species of '' Ephedra'' that is native to the deserts and scrublands of the

Southwestern United States The Southwestern United States, also known as the American Southwest or simply the Southwest, is a geographic and cultural list of regions of the United States, region of the United States that includes Arizona and New Mexico, along with adjacen ...

(

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Utah Utah is a landlocked state in the Mountain states, Mountain West subregion of the Western United States. It is one of the Four Corners states, sharing a border with Arizona, Colorado, and New Mexico. It also borders Wyoming to the northea ...

Colorado Colorado is a U.S. state, state in the Western United States. It is one of the Mountain states, sharing the Four Corners region with Arizona, New Mexico, and Utah. It is also bordered by Wyoming to the north, Nebraska to the northeast, Kansas ...

Arizona Arizona is a U.S. state, state in the Southwestern United States, Southwestern region of the United States, sharing the Four Corners region of the western United States with Colorado, New Mexico, and Utah. It also borders Nevada to the nort ...

New Mexico New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...

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) and to the State of Chihuahua and northern

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. It was originally described by

Sereno Watson Sereno Watson (December 1, 1826 – March 9, 1892) was an American botanist. Life Watson was born on December 1, 1826, in East Windsor Hill, Connecticut. Graduating from Yale in 1847 in biology, he drifted through various occupations unt ...

in 1879, and placed in section '' Alatae'', "tribe" ''Habrolepides'' by Otto Stapf in 1889. In 1996 Robert A. Price left ''E. torreyana'' in section ''Alatae'' without recognizing a tribe.Price, R. A. (1996). Systematics of the Gnetales: A review of morphological and molecular evidence. ''International Journal of Plant Sciences'', 157(6): S40-S49.

Varieties

*''Ephedra torreyana'' var. ''powelliorum'' — Texas and Chihuahua *''Ephedra torreyana'' var. ''torreyana'' - Southwestern United States USDA Plants Profile for Ephedra torreyana var. torreyana
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References

External links

USDA Plants Profile for ''Ephedra torreyana'' (Torrey's jointfir)
torryana North American desert flora Flora of Chihuahua (state) Flora of the Southwestern United States Plants described in 1879 {{gymnosperm-stub