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Acalypha virginica, commonly called Virginia threeseed mercury [2] or Virginia copperleaf, [3] is a plant in the spurge family (Euphorbiaceae). It is native to the eastern United States. [4] [5] It is found in a variety of natural habitats, particularly in open woodlands and along riverbanks.
Marcasite reacts more readily than pyrite under conditions of high humidity. The product of this disintegration is iron(II) sulfate and sulfuric acid. The hydrous iron sulfate forms a white powder consisting of the mineral melanterite, FeSO 4 ·7H 2 O. [13] This disintegration of marcasite in mineral collections is known as "pyrite decay".
This category contains the native flora of Virginia as defined by the World Geographical Scheme for Recording Plant Distributions. Taxa of the lowest rank are always included; taxa of higher ranks (e.g. genus) are only included if monotypic or endemic. Include taxa here that are endemic or have restricted distributions (e.g. only a few countries).
Magnolia virginiana is often grown as an ornamental tree in gardens, and used in horticultural applications to give an architectural feel to landscape designs. It is an attractive tree for parks and large gardens, grown for its large, conspicuous, scented flowers, for its clean, attractive foliage, and for its fast growth.
Gaylussacia brachycera, commonly known as box huckleberry or box-leaved whortleberry, is a low North American shrub related to the blueberry and the other huckleberries.It is native to the east-central United States (Pennsylvania, Delaware, Maryland, Virginia, West Virginia, North Carolina, Kentucky, and Tennessee).
This is a list of U.S. state and territory plants and botanical gardens — plants and botanical gardens which have been designated as an official symbol(s) by a state or territory's legislature. 5 U.S. states and 1 U.S. territory have an official state/territory plant. 7 U.S. states have an official state botanical garden or arboretum.
History of Virginia The proposed and accepted dates for the beginning of native habitation in Virginia vary widely; traditionally the assumed date was somewhere between 12,000–10,000 B.C. The recent archaeological excavations at Cactus Hill, however, have challenged those dates with hard evidence of far earlier habitation within the state.
At the time when the term became common in jewelry making, "marcasite" referred to all iron sulfides including pyrite, and not to the orthorhombic FeS 2 mineral marcasite which is lighter in color, brittle and chemically unstable, and thus not suitable for jewelry making. Marcasite jewelry does not actually contain the mineral marcasite. The ...
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