Pyrena

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
Pyrenes extracted from a single fruit of Crataegus punctata
A pyrene dissected to reveal the seed

Pyrena or pyrene is the name for the stone within a drupe or drupelet. It consists of a seed surrounded by hard endocarp tissue.[1][2]

References[edit]

  1. ^ Beentje, H.; Williamson, J. (2010). The Kew Plant Glossary: an Illustrated Dictionary of Plant Terms. Royal Botanic Gardens, Kew: Kew Publishing. 
  2. ^ Hickey, M.; King, C. (2001). The Cambridge Illustrated Glossary of Botanical Terms. Cambridge University Press.