#Leguminosae
- Abrus — (Botany) A genus of climbing plants in the family Fabaceae (Leguminosae), native to tropical and subtropical regions worldwide, characterized by pinnate leaves and pods containing spherical seeds that are often intensely colored and highly toxic due to their abrin content.
- Amherstia nobilis — A monotypic genus of plants in the family Fabaceae (Leguminosae), whose sole species is Amherstia nobilis, a tropical tree native to Myanmar (Burma), also known as the 'Pride of Burma'. It is widely recognized as one of the most beautiful ornamental trees in the world due to its spectacular, large structural inflorescences of a bright red color with yellow spots, resembling hanging orchids.
- Amicia — A genus of herbaceous or shrubby plants in the family Fabaceae (Leguminosae), native to the mountainous regions of South America (Andes); it is structurally characterized by compound leaves, large membranous stipules, and yellow flowers arranged in racemes, often used in niche ornamental horticulture.
- Amicia zygomeris — A type species of shrubby plant within the genus Amicia, family Fabaceae, native to the high mountainous zones of Mexico. It is structurally remarkable due to its large, trifoliate or paripinnate leaves, which feature unusually sized purple membranous stipules that protect young buds, and butterfly-shaped yellow flowers.
- Anthyllis — A genus of herbaceous plants or subshrubs in the family Fabaceae, commonly known as kidney vetch, characterized by odd-pinnate leaves and papilionaceous flowers grouped in dense heads surrounded by large, often pubescent bracts.