Streptanthus purpureus sp. nova (Cruciferae), an endemic nickel hyperaccumulator from Sierra Nevada (California, USA)
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منابع مشابه
Glaciations of the Sierra Nevada, California, USA
The Sierra Nevada is a c. 4000 m range of mountains paralle1 to the North American Pacific Coast that was repeatedly glaciated during the climatic fluchrations of the Quatemary. The glacial record on the eastem side of the range includes eight named Pleistocene glaciations and stadials: McGee, Sherwin, Casa Diablo, Mono Basin, Tahoe, Tenaya, Tioga and Recess Peak, as well as the Neoglacial Matt...
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Seismic tomography reveals garnet-rich crust and mantle lithosphere descending into the upper mantle beneath the southeastern Sierra Nevada. The descending lithosphere consists of two layers: an iron-rich eclogite above a magnesium-rich garnet peridotite. These results place descending eclogite above and east of high P wave speed material previously imaged beneath the southern Great Valley, sug...
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The Ni hyperaccumulator Strepthanthus polygaloides (Brassicaceae) is one of a handful of Ni hyperaccumulators known from continental North America. Surveys have revealed four distinctive morphs of this species, relying primarily on floral traits (sepal color and shape): a purple sepal morph (P), a yellow sepal morph (Y), a morph in which sepals start yellow and mature to purple (Y/P), and a mor...
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M onarde/la stebbinsii (Lamiaceae ), a new species from the northern Sierra Nevada of Plumas County, California, is described and illustrated. Characterized by ovate leaves, multiple verticillasters per infiorascence, a matlike habit, reddish papery bracts, and purplish-red leaves with a soft white pubescence, the species is not closely related to any other species of the genus. The new species...
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Introduction Conclusions References Tables Figures ◭ ◮ ◭ ◮ Back Close Full Screen / Esc Abstract Introduction Conclusions References Tables Figures ◭ ◮ ◭ ◮ Back Close Full Screen / Esc Printer-friendly Version Interactive Discussion EGU Abstract Ammonia is a reactive trace gas that is emitted in large quantities by animal agriculture and other sources in California, which subsequently forms aer...
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ژورنال
عنوان ژورنال: LAZAROA
سال: 2013
ISSN: 0210-9778
DOI: 10.5209/rev_laza.2013.v34.n1.43643