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单词 secondary thickening
释义

secondary thickening

noun [mass noun] Botany
(In the stem or root of a woody plant) the increase in girth resulting from the formation of new woody tissue by the cambium.In dicots the largest genomes are typically in herbaceous perennials in which turgor, rather than secondary thickening, plays a major skeletal role....
  • This storage organ displays an anomalous form of secondary thickening from a series of supernumerary cambia arranged in concentric rings.
  • This seems to reduce extension growth at a whole plant level but to locally stimulate secondary thickening.
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更新时间:2025/3/22 17:17:49