Bluebell  (Hyacinthoides non-scripta)

Anthers: part of the stamen (the male reproductive organ of a flower) that produces pollen. (See http://www.rbgkew.org.uk/ksheets/pdfs/flower.pdf for a fact sheet on flower structure)
Deciduous: a plant that sheds its leaves at the end of the growing season.
Hybridisation: cross-breeding with a different species.
Naturalised: term used to describe a species that was originally introduced from another country, but becomes established, maintains itself and invades native populations.
Perennial: plants that live for at least three seasons; after an initial period they produce flowers once a year.
Racemes: an inflorescence where the individual flowers all have distinct stalks. (See http://www.rbgkew.org.uk/ksheets/pdfs/flower.pdf for a fact sheet on flower structure).

1. National Biodiversity Network Species Dictionary. (Feb 2003):
   http://www.nhm.ac.uk/nbn
   
2. Clapham, A.R., Tutin, T.G. & Moore, D.M. (1987) Flora of the British Isles. 3rd Edition. Cambridge University Press, Cambridge.
   
3. The Environment Agency (1996) Species and Habitats handbook: look-up chart of species and their legal status. The Environment Agency, Bristol.
   
4. Mabey, R. (1996) Flora Britannica. Sinclair-Stevenson, London.
   
5. Bluebell (Hyacinthoides non-scripta). Edinburgh Biodiversity Partnership (Feb 2003):
   http://www.wildlifetrust.org.uk/urbanwt/ecorecord/bap/html/bluebell.htm
   
6. Preston, C.D., Pearman, D.A. & Dines, T.D. (2002) The New Atlas of the British and Irish Flora. Oxford University Press, Oxford.
   
7. Press, B. & Gibbons, B (1993) Photographic field guide to wild flowers of Britain and Europe. New Holland Publishers (UK) Ltd, London.