Native Plants
Botanical Glossary
Glossary of commonly used botanical terms and their definitions.
| term | definition | image |
| Inferior ovary | An ovary situated below the origin of sepals and petals. In many species the ovary is below the point of attachment of all the other parts of the flower, i.e., embedded in the flower stem. It usually shows as a swelling below the flower and may be seen only by cutting through this swelling. | |
| Inflorescence | A group of flowers and associated plant parts. | |
| Infructescence | A group of fruits and associated parts arising from an inflorescence. An inflorescence with mature or maturing fruit. | |
| Internode | The part of the stem between leaves or branches. | stem.jpg |
| Involucel | A bract or bracts subtending an individual flower in a compound inflorescence. | |
| Involucre | A whorl of distinct or united leaves or bracts beneath a flower or cluster of flowers commonly found especially on species in Asteraceae but also in Apiaceae, Dipsacaceae and Polygonaceae. Also a bract or bract pair subtending the inflorescence of some members of Betulaceae, especially Carpinus and Corylus. | |
| Irregular flower | A flower unequal in the size, form, or union of its similar parts; zygomorphic or bilaterally symmetrical. Example: Fabaceae (Legume Family). | |
| IUCN | International Union for Conservation of Nature. | |
| Laciniate | Fringed or having edges irregularly and finely slashed. | |
| Lanceolate | Having the shape of a spear-head or lance. | |
| term | definition | image |