Wikipedia has a comprehensive glossary of the terms used to describe plants.
This glossary of botanical terms is a list of definitions of terms and concepts relevant to botany and plants in general. Terms of plant morphology are included here as well as at the more specific Glossary of plant morphology and Glossary of leaf morphology. For other related terms, see Glossary of phytopathology and List of Latin and Greek words commonly used in systematic names.
Use the Wikipedia Glossary here.
For information about New Zealand plants and how they got their names, see the page on New Zealand botanical terms
