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Characteristics and economic importance of Gramineae (Grass family)

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Characteristics and economic importance of Gramineae (Grass family)

1. Diagnostic features New name: Poaceae Herbs with rounded stem and hollow internodes. Leaves simple, exstipulate alternate with sheathing leaf base, ligule usually present. Inflorescence compound spike. Flowers bisexual or unisexual, zygomorphic, subtended by glumes. Perianth minute, scaly called lodicules 2-3 in number. Stamens 3 with versatile anthers. Gynoecium monocarpellary with a single basal ovule, … Read more

Various modification of leaves

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Leaves of plants are modified to various structures for adaptation to the environment where they are present. Some of the modifications are listed as below: 1) Leaf tendrils: Tendrils are thread like sensitive structures, which can coil around a support to help the plant in climbing. They are of following types: i) Whole leaf tendrils: … Read more