antelope brush

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antelope brush,

low, deciduous shrub (Purshia tridentata) of the family Rosaceae (roserose,
common name for some members of the Rosaceae, a large family of herbs, shrubs, and trees distributed over most of the earth, and for plants of the genus Rosa, the true roses.
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 family), widely distributed in the W United States where it is a characteristic constituent of the vegetation on arid slopes and desert ranges. One of the most important Western browse plants, it provides abundant forage throughout the year for both cattle and deer. Antelope brush is classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Magnoliopsida, order Rosales, family Rosaceae.
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