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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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Sabino Creek, Arizona, February 12, 2010
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Sabino Creek, Arizona, February 12, 2010
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February 12, 2010, Sabino Creek Arizona
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