serotinous

/S ER0 AH0 T AH0 N AH0 S/
adjective
  1. 1

    (botany) Of conifer cones: requiring the heat of a wildfire to open, in order to disperse its seed.

  2. 2

    (biology) Synonym of serotine (โ€œdeveloping at a later time or later in a season, especially than is customary with allied species; specifically (botany), of a plant: flowering late in a seasonโ€).