Leaf base

Flora of Australia Glossary — Vascular Plants

Compiled by A. McCusker


Leaf base

attenuate: tapering gradually.

auricle: an ear-shaped appendage at the base of a leaf, leaflet or corolla lobe. adj. auriculate.

cordate: of a leaf blade, broad and notched at the base; heart-shaped (in two dimensions).

cuneate: wedge-shaped.

hastate: spear-shaped; of a leaf blade, narrow and pointed but with two basal lobes spreading approximately at right angles.

oblique: of a leaf or leaflet, larger on one side of the midrib than on the other, i.e. asymmetrical.

sagittate: shaped like an arrow-head.

truncate: with an abruptly transverse end, as if cut off.