Assurgent, same as ascending, [39].
Atropous or Atropal (ovules), same as orthotropous.
Aurantiacous, orange-colored.
Aureous, golden.
Auriculate, furnished with auricles or ear-like appendages, [53].
Autogamy, self-fertilization, [115].
Awl-shaped, sharp-pointed from a broader base, [61].
Awn, the bristle or beard of Barley, Oats, &c.; or any similar appendage.
Awned or Awn-pointed, furnished with an awn or long bristle-shaped tip, [54].