…  a species that is extensively studied to understand particular biological phenomena, with the expectation that discoveries made in the model organism will provide insight into the workings of other organisms.

… a plant that reproduces only one time and then dies. The plant may be annual, biennial or perennial.

… short for monocotyledonous – plants whose seeds contain only one seed leaf (cotyledon). The two biggest groups of monocots are orchids and grasses… distinguished from dicots (having 2 seed leaves; most wildflowers) and tricots (a kind of fabric, as in nylon tricot)

…an association between a plant and a symbiotic fungus, commonly at the root/soil interface

… a plant that has been designated by an agricultural or other governing authority as injurious to agricultural or horticultural crops, natural habitats or ecosystems, or humans or livestock.

…with regards leaf shape, sort of egg shaped with the narrow end toward the base

  … a loosely branched inflorescence, especially a branching raceme

… an inflorescence made up of branches which are, individually, racemes.