strobilus

plural strobili

1. A cone-shaped fruiting body sensu stricto of gymnosperms and vascular plants other than angiosperms, bearing either seeds or spores, but sensu lato may refer to similarly structured catkins and cones in angiosperms; usage arbitrary according to preferences of various authorities.
   1. biologySensu strictissimo a more-or-less cone-shaped fruiting body of any of various vascular Pteridophyta, such as horsetail, that bear spores;

      Synonyms: strobile, cone

   2. biologySensu stricto according to source and context, a more-or-less cone-shaped fruiting body; a structure that might or might not be seen as an infructescence, usually woody, of gymnosperms such as pines and cycads, that bear seeds — usage has varied arbitrarily among authors since the 19th century.

      Synonyms: strobile, cone

   3. biologySensu lato according to source and context, A more-or-less cone-shaped fruiting body; a structure that might or might not be seen as an infructescence of either Pteridophyta, gymnosperms, or angiosperms; examples include the cones of Casuarina, or catkin-like strobili of Alnus

      The strobilus in Selaginella is the sporangia-bearing region of the sporophyte. The sporangia arise in the axils of leaves called the sporophylls.

      2006, Anil Kumar, Botany for Degree Pteridophyta, S. Chand Publishing, →ISBN

      1 more example

      As a term, female strobilus refers to the stage prior to pollination... The strobilus emerges slowly from its bud then its scales flex open. Once pollinated the strobilus now becomes a conelet. At fertilization the conelet becomes a cone.

      2009, Claire G. Williams, Conifer Reproductive Biology, Springer Science & Business Media, →ISBN

      Synonyms: strobile, cone

2. biologyA layered reproductive stage in jellyfish, in which the swimming medusa form is produced.

   Synonyms: strobile