Having two plate-like or layer-like structures.

Twice pinnately divided into narrow segments (describing deeply dissected leaves).

Folded twice or having two folds.

Divided into two branches (typically referring to appendages).

Mesh material used to protect plants from bird damage.

Opening by two slits (as in some anthers).

Arranged in two whorls or series.

Prefix meaning ‘base’ or ‘at the base’.

Attached at the base (e.g., anthers attached at their base to the filament).

Developing from base toward apex; acropetal.