Odd–pinnate, a leaf shape; pinnate with a single leaflet at the apex.
On site conservation relating to the maintenance of plants in the wild.
Genetic similarity in offspring of closely related individuals.
Entrance of a pest into an area where it is not present
A covering of fine hairs (or sometimes scales)
Plural of indusium, a membrane covering a sorus of a fern
A thin tissue that covers the sorus in many ferns. Plural: indusia.
The arrangement of flowers on the stem. A flower head.
The space between the keel and the leaf blade
The part of an axis between two nodes; the section of the stem between leaves.
Part of a stem between two nodes.
Within or near the margin.
The scales surrounding the flower head or capitula.
A group of bracts surrounding a flower head.
With margins rolled inward toward the upper side.