9.16 Family Poaceae Gramineae | Characteristics of Family Poaceae Biology class 11

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Poaceae
Flowering Plants Poaceae plant family
Alternate titles: Gramineae, grass family
Poaceae, formerly called Gramineae, grass family of monocotyledonous flowering plants, a division of the order Poales. The Poaceae are the world’s single most important source of food. They rank among the top five families of flowering plants in terms of the number of species, but they are clearly the most abundant and important family of the Earth’s flora. They grow on all continents, in desert to freshwater and marine habitats, and at all but the highest elevations. Plant communities dominated by grasses account for about 24 percent of the Earth’s vegetation.
Characters of Poaceae:
Mostly herbs, stem jointed, fistular, cylindrical; leaves simple, alternate, sheathing, sheath open, ligulate; inflorescence compound spike; flowers zygomorphic, hypogynous, protected by palea; perianth represented by 2 or 3 minute scales (lodicules); stamens 3, versatile; carpel one, style 2 or 3, stigmas feathery, basal placentation; fruit caryopsis; testa fused with pericarp.
Fsc Biology lectures series by irtisamsbiology

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Poaceae family ki species ki comparison Kesy krna h

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Diversity & scientific names

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Mashallah