T.E.R:R.A.I.N - Taranaki Educational Resource: Research, Analysis and Information Network


Holly (Ilex aquifolium)

Kingdom: Plantae
Division: Angiosperms
Class: Eudicots
Order: Aquifoliales
Family: Aquifoliaceae
Genus: Ilex
Species: I. aquifolium
Binomial name: Ilex aquifolium
Common name: Holly, Christmass Holly or Mexican Holly

Ilex is a genus of approximately 600 species of flowering plants in the family Aquifoliaceae, and the only living genus in that family.
European holly (Ilex aquifolium) is a species of holly native to western and southern Europe, northwest Africa and southwest Asia. It is an evergreen tree growing to 10-25 m tall and 40-80 cm (rarely 1 m or more) trunk diameter, with smooth grey bark. The leaves are 5-12 cm long and 2-6 cm broad, variable in shape; on young plants and low branches, with three to five sharp spines on each side, pointing alternately upward and downward; on higher branches of older trees with few or no spines except for the leaf tip, often entire.  The flowers are dioecious, white, four-lobed, and pollinated by bees. The fruit is a red drupe 6-10 mm diameter, containing four pits; although mature in late autumn, they are very bitter due to the ilicin content, and so are rarely touched by birds until late winter after frost has made them softer and more palatable.
The ilicin helps make them poisonous to people since it irritates the stomach and intestines, and other constituents render them harmful to the nervous system and heart. Ingestion of as few as twenty berries by adults can be fatal.

Holly leaves


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