The condition or quality of having no visible stem or an extremely reduced stem in plants.
From Latin 'a-' (without) + 'caulis' (stem) + '-escence' (a state or condition). The noun form of 'acaulescent,' describing the botanical characteristic itself.
When botanists catalogued plants in the 1700s, they needed a word for the weird phenomenon where some plants looked like they had no stem at all—so they invented 'acaulescence' to describe this growth pattern.
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