Skip to main content

Glossary

Clear filters Letter: I

Showing 10 of 10 terms starting with "I"

Imbricate
Overlapping.

Increaser
A plant that increases in abundance under grazing.

Indusium
Membranous outgrowth of the blade which covers the cluster of spore-bearing structures (sorus) of a fern.

Inflorescence
The whole flowering portion of a plant. See inflorescence types drawings.

Infusion
A tea made by pouring boiling water over a substance. Steeping.

Internodes
The part of the stem between two successive nodes or joints.

Introduced
Plants brought into North America and not part of the original vegetation.

Invaders
Plants which come into areas after the climax vegetation has been diminished by overgrazing, drought, fire, or other disturbances. Ranges in which these species are abundant are in poor condition.

Involucre
A whorl of bracts under a flower or flower cluster.

Involute
Rolled inward from the edges, toward the upper surface.