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Key to the Aquatic Plants of Lahore
Description and Illustrations 1 Alternanthera sessilis Linn DC
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Africa anther apex aquatic herb aquatic plants axil axis Azolla pinnata base bisexual bracts branched broad buds calyx carpels Common name corolla cosmopolitan species creeping Description diameter Distribution elongated exstipulate Family Female flower fish flowering plants free floating herb frond fruit G. T. Road germination of seeds Habit and habitat Inflorescence Lahore leaf leafy Leaves all submerged Leaves radical Lemna Lemnaceae linear Localities Mahmood Booti impoundment Male flower margin minute Najas graminea nodes Nymphaea oblong ovary ovate ovule pedicelled peduncle Perennial perianth petals petiole pistil Plant flowers Plant propagates vegetatively Plate pond bed Potamogeton produced Punjab University Ravi National Park Reproduction rhizomatous rhizome root-like root-stock rootless Roots adventitious Sagittaria guayanensis Season sepals sessile Shalimar Garden slender spathe spongy spores sporocarp stalk stamens Stem filiform stigma stipules stolons surface of water Tropical America unisexual University New Campus upto Utricularia stellaris vegetatively by means weeds Wolffia Wolffia arrhiza