Glossary: Flower / inflorescence morphology

Purdue Arboretum botanical terminology reference and learning database.

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Flower / inflorescence morphology

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Tepal

Flower / inflorescence morphology

Synonyms: Perianth, Perianths, Tepals

Tepal A segment of the perianth in which the calyx (sepals) and corolla (petals) are virtually indistinguishable from one another. Did you know? Tulips have tepals because their petals and sepals look nearly identical.

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Thyrse

Flower / inflorescence morphology

Synonyms: Thyrses

Thyrse A compact, cylindrical or ovate panicle with an independent main axis and cymose subaxes

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