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[ser-uh-tin, -tahyn] /ˈsɛr ə tɪn, -ˌtaɪn/
late in occurring, developing, or flowering.
Also, serotinous
[si-rot-n-uh s, ser-uh-tahy-nuh s] /sɪˈrɒt n əs, ˌsɛr əˈtaɪ nəs/ (Show IPA)
Origin of serotine1
1590-1600; < Latin sērōtinus, equivalent to sērō (adv.) late + -tinus adj. suffix of time; cf. serein Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for serotinous
Historical Examples
  • The third group, the Insignes, contains the serotinous species.

    The Genus Pinus George Russell Shaw
  • Cones tenaciously persistent, serotinous in various degrees.

    The Genus Pinus George Russell Shaw
  • The serotinous habit is more pronounced in this than in any other species.

    The Genus Pinus George Russell Shaw
  • Hence all the families of this legion appear to be serotinous, their simple primitive nucleus persisting for a long period.

  • The serotinous cone is a gradual development, wanting in most species, rare in a few, less or more frequent in others.

    The Genus Pinus George Russell Shaw
  • With all serotinous species that I have seen, some of the trees open their cones at maturity, others at indefinite intervals.

    The Genus Pinus George Russell Shaw
  • But with the serotinous cones (radiata, attenuata), the advantages of this form become apparent.

    The Genus Pinus George Russell Shaw
  • Like the persistent cone, the oblique cone finds in association with the serotinous cone a definite reason for existence.

    The Genus Pinus George Russell Shaw
  • Here also appear a new form of fruit, the oblique cone, and a new method of dissemination, the serotinous cone.

    The Genus Pinus George Russell Shaw
  • The persistent cone, the first stage of the serotinous cone, is equally sporadic in the earlier stages of evolution.

    The Genus Pinus George Russell Shaw
British Dictionary definitions for serotinous


(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
Word Origin
C16: from Latin sērōtinus late, from sērus late; applied to the bats because they fly late in the evening
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for serotinous



"late," 1590s, from French sérotine, from Latin serotinus "that which comes late; that which happens in the evening," from sero, adverb of serus "late" (see soiree). Also as a noun, a type of small, brown bat, from 1771. Related: serotinous, in botany (1880) "appearing later in the season than usual."

Online Etymology Dictionary, © 2010 Douglas Harper
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serotinous in Science
  (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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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