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, 05:57, 6 April 2007
The term '''perianth''' has two similar but separate meanings in botany:
* In [[flowering plant]]s, the perianth is the outer, sterile whorls of a [[flower]] (see [[sepal]], [[petal]], and [[tepal]]).
* In a [[Marchantiophyta|liverwort]], perianth is the sterile tubelike tissue that surrounds the female reproductive structure (or developing [[sporophyte]]).
[[Category:Plant anatomy]]