#structural flora
- Amaranthaceous — A dicotyledonous plant belonging to the Amaranthaceae family, characterized by small, often apetalous flowers grouped in dense spicate or paniculate inflorescences, adapted to various climates. As a plural adjective, it designates the family that includes species of ecological and economic value, such as amaranth, beets, and spinach.
- Amaryllidaceous — A monocotyledonous plant belonging to the Amaryllidaceae family, characterized by bulbs or rhizomes, linear leaves, and spectacular flowers, such as the snowdrop, daffodil, or amaryllis. As a plural noun, it designates the family of these perennial herbaceous plants.