#capitulum
- Anacyclus radiatus — A species of annual herbaceous plants in the genus Anacyclus, family Asteraceae, natively distributed in the Mediterranean basin, especially in sunny coastal regions and disturbed lands. Structurally characterized by erect, branched stems, divided leaves, and capitulum inflorescences with central tubular florets and peripheral ray florets of an intense yellow or yellowish-white color, this plant is studied in systematic botany for its regional morphological variations.
- Andryala — A genus of herbaceous perennial or annual plants in the daisy family Asteraceae (Compositae), native primarily to the Mediterranean region, Macaronezia, and southern Europe. This structural botanical entity is characterized by erect stems, leaves often covered with dense, woolly or villous tomentose hairs that reduce water loss, and flower heads (capitula) containing yellow ligulate florets.
- Anthodium — A type of pseudanthium inflorescence, characteristic of plants in the Asteraceae (Compositae) family, consisting of a widened, flat, convex, or concave common receptacle on which numerous small flowers are sessile, tightly grouped and surrounded at the base by an involucre of green bracts. This biological structure simulates the appearance of a single large flower to efficiently attract pollinators.