… a fruit that develops from a single flower having more than one ovary. The ovaries join together (aggregate) as the fruit grows. The normal example of an aggregate fruit is a raspberry.
allopolyploid
… having two or more haploid sets of chromosomes. The sets are not identical and are derived from different species.
anthers
… the part of the stamens that contain the pollen.
anthesis
… the period when anthers are shedding pollen
antinutrients
… naturally occurring compounds that interfere with the absorption of nutrients by herbivores, including people.
apical
… at the tip (apex); on a stem or inflorescence, at the very end.
apomixis
… the production of seeds by female flowers without fertilization; the most widely known example of this is dandelion.
autotrophic
…an organism that produces complex organic compounds (such as carbohydrates, fats, and proteins) from simple substances present in its surroundings, generally using energy from light (photosynthesis).
awn
…thin, spine-like projection at the end of a grass seed hull
axil
… the upper, smaller, acute angle between a leaf petiole or branch and the stem or trunk from which it is growing.