Linked from
The 10 pages that link to Sepal, each with the reason it gives.
FlowerBroader topic: Sepals form the outermost floral whorl and shield the flower before it opens.
PerianthBroader topic: Sepals are the individual units of the perianth’s outer whorl.
TepalCompared with: A tepal is not clearly distinct from this outer floral part.
PetalCompared with: Sepals usually protect the bud, while petals often attract pollinators.
PappusRelated: Pappus bristles, scales, or hairs can derive from sepals.