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February 12, 2010, Sabino Creek Arizona
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Orinda, California, United States
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Carson City, Nevada, United States
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Tucson, Arizona. May 7, 2010.
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Barranco de las Almunias: Zaragoza.EspaaFamilia: EPHEDRACEAEDistribucin: W de la Regin mediterrnea; en Europa solo en Sicilia, Baleares y Pennsula Ibrica, donde se distribuye principalmente por la mitad S y E y por el SW de Portugal; en Aragn se extiende por la Depresin del Ebro y apenas penetra en los Somontanos del Sistema Ibrico y el Prepirineo oriental por el ro Cinca, etc.Hbitat: En la Depresin del Ebro forma parte de los matorrales termfilos (Rhamno-Cocciferetum) que salpica ocasionalmente; a mayor altitud suele vivir en desfiladeros y rellanos o pies de acantilado con ambiente seco y muy soleado, sealando siempre lugares muy protegidos del fro.Preferencia edfica: Basfila Vive principalmente en suelos ricos en cal y en yesos.Rango altitudinal:50- 800 ( 1020 ) mFenologa:Floracin Abril - Mayo ( Junio )Fructificacin Junio - SeptiembreForma Biolgica: FanerfitoExtractado del Atlas de la Flora de Aragn (Herbario de Jaca)
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Orinda, California, United States
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Tucson, Arizona. May 7, 2010.
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Orinda, California, United States
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Tucson, Arizona. May 7, 2010.
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1998 California Academy of Sciences
CalPhotos
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Young female plant in full cone, with many erect, jointed, spine tipped branches with much reduced leaves in sheathed whorls of 3 at the node.Though reduced, the slender, persistent, awn-like leaves are are still the longest, most noticeable, among other southwestern Ephedra. Plant at base of west facing hillside of clayish silts overlain by mixed coarse rhyolite gravels
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Young female plant in full cone, with many erect, jointed, spine tipped branches with much reduced leaves in sheathed whorls of 3 at the node.Though reduced, the slender, persistent, awn-like leaves are are still the longest, most noticeable, among other southwestern Ephedra. Plant at base of west facing hillside of clayish silts overlain by mixed coarse rhyolite gravels
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Young female plant in full seed cones of reddish papery bracts in whorls of 3, at base of west facing hillside of clayish silts overlain by mixed coarse rhyolite gravels
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Young female plant in full seed cones of reddish papery bracts in whorls of 3, at base of west facing hillside of clayish silts overlain by mixed coarse rhyolite gravels
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female seed cones encircled by reddish papery bracts in whorls of 3. Plant at base of west facing hillside of clayish silts overlain by mixed coarse rhyolite gravels
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female seed cones encircled by reddish papery bracts in whorls of 3. Plant at base of west facing hillside of clayish silts overlain by mixed coarse rhyolite gravels
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Distinctive sheath of awn-like leaf scales at branch node. Plant at base of west facing hillside of clayish silts overlain by mixed coarse rhyolite gravels
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evergreen shrub in semi-stabilized sand hummocks on the bolson plain. View of one of the small spinous leaves that encircle the stems in nodal rings of 3. The scale-like leaves, though small, are noticeably longer and persistent which serves to distinguish this species.
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Male cone
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