(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.
Definition of secondary thickening in:
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