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Botanical Nerd Word: Sessile

Sessile: Lacking a stalk; e.g., a leaf without a petiole.*

Trillium luteum has a sessile flower. It sits directly on top of the leaves (bracts) without a peduncle.

*Pell, S.K., Angell, B. (2016). A botanist’s vocabulary: 1300 terms explained and illustrated. Portland: Timber Press.

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