Hesperocyparis revealiana is a rare species of conifer in the cypress family, Cupressaceae. It is endemic to a small area of the State of Baja California in northwestern Mexico.Conifers.org: Cupressus revealiana
The type locality is the Rincón de Santa Catarina, in the Sierra de Juárez of the Peninsular Ranges System. It was previously assumed to be an isolated population of Cuyamaca cypress.Adams, Robert P., et al. "Taxonomy of Hesperocyparis montana, H. revealiana and H. stephensonii: Evidence from leaf essential oils analyses and DNA sequences." Phytologia 96.2 (2014): 71. http://www.phytologia.org/uploads/2/3/4/2/23422706/96271-83adams_bartel_et_al_revealiana_montana_terps_dna_3-30-14rev.pdf
Description Hesperocyparis revealiana is a tree up to 10 meters (33 feet) tall. It has red scaly bark.
Male cones are 3–4 mm long. Female cones are 15–20 mm long.Silba, John 1981. Phytologia 49(4): 393 diagnosis in Latin, description in English, as Cupressus arizonica var. revealianaJ. Bisbee & D. Maerki. 2012. Cupressus revealiana (Silba) Bisbee comb. nov., validation as a new Cupressus species, with notes on the identification and distribution of other nearby cypress species. Bulletin of the Cupressus Conservation Project 1(1):3-15
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