sandbur

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sandbur

or

bur grass,

any species of the genus Cenchrus of the family Poaceae (grassgrass,
any plant of the family Poaceae (formerly Gramineae), an important and widely distributed group of vascular plants, having an extraordinary range of adaptation. Numbering approximately 600 genera and 9,000 species, the grasses form the climax vegetation (see ecology) in
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 family), sandy-soil plants of tropical and temperate regions. At maturity the sharp spines and burlike seeds make the plant a troublesome weed, especially to sheepgrowers. The name sandbur is sometimes used for the buffalo bur and the horse nettle of the family Solanaceae (nightshadenightshade,
common name for the Solanaceae, a family of herbs, shrubs, and a few trees of warm regions, chiefly tropical America. Many are climbing or creeping types, and rank-smelling foliage is typical of many species.
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 family). The family Poaceae 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 Liliopsida, order Cyperales. The Solanaceae is in the class Magnoliopsida, order Polemoniales.