It was originally described by Sereno Watson in 1879 and placed in sectionAlatae, "tribe" Habrolepides by Otto Stapf in 1889. In 1996 Robert A. Price left E. torreyana in section Alatae without recognizing a tribe.[2]
Varieties
Ephedra torreyana var. powelliorum — Texas and Chihuahua[3]
Ephedra torreyana var. torreyana - Southwestern United States [4]
^Price, R. A. (1996). Systematics of the Gnetales: A review of morphological and molecular evidence. International Journal of Plant Sciences, 157(6): S40-S49.
^USDA Plants Profile for Ephedra torreyana var. powelliorum
^USDA Plants Profile for Ephedra torreyana var. torreyana
External links
USDA Plants Profile for Ephedra torreyana (Torrey's jointfir)
Wikimedia Commons has media related to Ephedra torreyana.
This gymnosperm-related article is a stub. You can help Wikipedia by expanding it.
ephedra, torreyana, with, common, names, torrey, jointfir, torrey, mormon, species, ephedra, that, native, deserts, scrublands, southwestern, united, states, nevada, utah, colorado, arizona, mexico, texas, state, chihuahua, northern, mexico, conservation, stat. 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 Nevada Utah Colorado Arizona New Mexico Texas and to the State of Chihuahua and northern Mexico 1 Ephedra torreyanaConservation statusSecure NatureServe Scientific classificationKingdom PlantaeClade TracheophytesClade GymnospermsDivision GnetophytaClass GnetopsidaOrder EphedralesFamily EphedraceaeGenus EphedraSpecies E torreyanaBinomial nameEphedra torreyanaS Wats It was originally described by Sereno Watson 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 2 Varieties EditEphedra torreyana var powelliorum Texas and Chihuahua 3 Ephedra torreyana var torreyana Southwestern United States 4 References Edit USDA Ephedra torreyana accessed 1 10 2013 Price R A 1996 Systematics of the Gnetales A review of morphological and molecular evidence International Journal of Plant Sciences 157 6 S40 S49 USDA Plants Profile for Ephedra torreyana var powelliorum USDA Plants Profile for Ephedra torreyana var torreyanaExternal links EditUSDA Plants Profile for Ephedra torreyana Torrey s jointfir Wikimedia Commons has media related to Ephedra torreyana This gymnosperm related article is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Ephedra torreyana amp oldid 1162918622, wikipedia, wiki, book, books, library,
