Cretan zelkova  (Zelkova abelicea)

Drupe: A type of fruit in which an outer fleshy part (exocarp or skin and mesocarp or flesh) surrounds a shell (the pit or stone) of hardened endocarp with a seed inside.
Endemic: A species or taxonomic group that is only found in one particular country or geographic area.
Hermaphrodite: Having both male and female sexual characteristics and organs.
Matorral: A collective term used to describe a lower class of vegetation typified by the predominance of ligneous plants, shrubs or trees.
Samara: A dry winged seed, either single, like that of the elm, or double, like that of the maple.

1. IUCN Red List (May, 2006)
   http://www.redlist.org
   
2. Tutin, T.G., Heywood, V.H., Burges, N.A., Valentine, D.H. and Walters, D.A. (1993) Flora Europaea: Lycopodiaceae to Platanaceae Vol. 1. Cambridge University Press, Cambridge.
   
3. Botanischen Gärten Bonn (April, 2006)
   http://botgart.uni-bonn.de/o_frei/arb/a63.html
   
4. NatureWorks (April, 2006)
   http://www.nhptv.org/natureworks/nwep14urticales.htm
   
5. Kew at Castle Howard (April, 2006)
   http://www.kewatch.co.uk/ltt13.html
   
6. European Nature Information System (EUNIS) (April, 2006)
   http://eunis.eea.eu.int/habitats-factsheet.jsp?idHabitat=852
   
7. Heywood, V.H. (1978) Flowering Plants of the World. Oxford University Press, Oxford.
   
8. International Conference Dygen (December 2nd-5th 2002, Strasbourg, France): Dynamics and Conservation of Genetic Diversity in Forest Ecosystems (April, 2006)
   http://www.pierroton.inra.fr/genetics/Dygen/abstracts.pdf