Synsepal
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Template:Short description Template:More citations needed Template:Sister project Template:Use dmy dates A synsepal is a floral structure formed by the partial or complete fusion of two or more sepals.<ref name=FoC>Template:Cite book</ref> Such sepals are said to be synsepalous or gamosepalous.<ref name=MissBot>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>
It is common among lady's slipper orchids (Cypripedioideae) that the two lateral sepals are connate to form a synsepal in the outer whorl. This is located directly behind the pouch, opposite the upward-pointing dorsal sepal.
Synsepals may be bifid, i.e. divided into two equal lobes, or forked and divided in two by a deep cleft.