Having leaflets that are themselves divided pinnately three times.

A compound leaf with three levels of pinnate division.

Having lobes that are divided in a tripinnate fashion.

A tripinnate leaf with segments that are cut almost to the midrib.

In sets of three; repeated or arranged in threes.

Having three prominent longitudinal veins extending from the base of the leaf.

Having three complete sets of chromosomes (3n), common in some cultivated plants.

Having three distinct longitudinal angles or ridges; three-angled in cross-section.

Three-sided or sharply triangular, often describing stems or fruits.

Having three rows of spikelets or inflorescence branches.