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Credit: STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY
Caption: Hydrilla bud. Light micrograph of a longitudinal section through an axillary bud on a Hydrilla plant, showing its internal structure. Hydrilla is a genus of aquatic plant native to the warmer parts of Asia and adapted to life in submerged freshwater environments. Seen here is a bud, an undeveloped embryonic shoot, with the apical meristem, or growing tip, at centre right (red). This is undifferentiated meristemic tissue, which lays down a growing root or shoot behind itself, pushing itself forward. Behind this (to the left) are leaf primordia (young leaves), which have recently formed.
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Keywords: apical meristem, aquatic, axil, axillary, axillary bud, biological, biology, botanical, botany, bud, cell, cells, flora, freshwater, growing, growing tip, growth, histological, histology, hydrilla sp., internal, leaf, leaves, light micrograph, light microscope, lm, longitudinal, meristemic, nature, plant, plants, primordia, primordium, root, scale, scales, section, sectioned, shoot, structure, tissue, undifferentiated, young
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