late in occurring, developing, or flowering.
(biology) Also serotinal (sɪˈrɒtɪnəl), serotinous. produced, flowering, or developing late in the season
either of two insectivorous bats, Eptesicus serotinus or Vespertilio serotinus: family Vespertilionidae
(sĭ-rŏt’n-əs, sěr’ə-tī’nəs)
Late in developing, opening, or blooming. For example, serotinous pine cones may persist unopened on the tree for years and only burst open during a forest fire. Serotinous flowers on trees develop only after the tree has produced leaves.


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