serotinous

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serotinous

(sĭ-rŏt′n-əs, sĕr′ə-tī′nəs)
adj.
1. Remaining on a tree after maturity and opening to release seeds only after exposure to certain conditions, especially heat from a fire. Used of the cones of gymnosperms.
2. Being a species having such cones: serotinous pines.

se·rot′i·ny (-rŏt′n-ē) n.