spinach

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spinach,

annual plant (Spinacia oleracea) of the family Chenopodiaceae (goosefootgoosefoot,
common name for the genus Chenopodium, as well as for the goosefoot family, Chenopodiaceae, a family of widely distributed shrubs and herbs that includes the beet, spinach, and mangel-wurzel.
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 family), probably of Persian origin and known to have been introduced into Europe in the 15th cent. It is valued as a vegetable for the high vitamin and iron content of its leaves, and numerous varieties of the species are cultivated. New Zealand spinachNew Zealand spinach,
succulent annual (Tetragonia expansa) of Australia, New Zealand, Japan, and S South America, grown for the edible leaves. The plant grows prostrate, often spreading to cover several feet. It is cooked like spinach.
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 belongs to the family Aizoaceae. Both families to which spinach plants belong are 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 Caryophyllales.

spinach

[′spin·ich]
(botany)
Spinacia oleracea. An annual potherb of Asiatic origin belonging to the order Caryophyllales and grown for its edible foliage.

spinach

a chenopodiaceous annual plant, Spinacia oleracea, cultivated for its dark green edible leaves
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