#amaranthaceae
- Aerva — A genus of herbaceous or subshrubby plants belonging to the Amaranthaceae family, native to the tropical and subtropical regions of Africa and Asia. These species are structurally characterized by alternate leaves and dense, tomentose or woolly inflorescences, often utilized in traditional Ayurvedic medicine due to their diuretic and anti-inflammatory properties.
- Aerva scandens — Scientific name of a climbing or perennial plant species from the Aerva genus, characterized by long, flexible stems and whitish spicate inflorescences. The plant is structurally distributed across tropical Asia and is studied in biochemistry due to the presence of phytosterols and bioactive compounds used in empirical phytotherapeutic remedies.
- Alternanthera — A major genus of herbaceous plants or shrubs in the family Amaranthaceae, primarily native to tropical and subtropical regions of the Americas; it comprises numerous terrestrial and aquatic species, highly valued in horticulture and aquascaping for their spectacular, vividly colored decorative foliage in shades of red, purple, pink, or yellow.
- Alternanthera amoena — A popular species of dwarf ornamental plant within the genus Alternanthera, native to Brazil; it is widely used in ornamental carpet bedding and mosaic gardening for low vegetation mats due to its small, lanceolate, multicolored leaves (blotched with intense shades of green, copper, carmine, red, and yellow).
- Alternanthera bettzickiana — A species of perennial herbaceous plant in the family Amaranthaceae, native to South America; it is widely used in global ornamental horticulture due to its dense foliage, variegated or blotched in spectacular shades of red, purple, yellow, and cream, making it ideal for low borders and landscape mosaics.
- Alternanthera versicolor — A species or horticultural variety of ornamental plant within the genus Alternanthera, remarkable for its intensely colored leaves that change shades depending on light exposure and age, displaying a spectacular mix of green, pink, carmine, copper, and blood-red.
- Amaranth — A genus of herbaceous plants within the Amaranthaceae family, historically cultivated as a pseudo-cereal in Central America, with seeds rich in protein. As an adjective or color name, it denotes a brilliant dark reddish-purple hue resembling the plant's inflorescences.
- 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.
- Amaranthus — The official botanical Latin taxonomic designation for a cosmopolitan genus of annual or perennial herbaceous plants in the Amaranthaceae family, commonly known as pigweed or amaranth. The genus comprises over 70 species recognized for their dense inflorescences, high nutritional value, and agricultural adaptability.
- Atriplex — A genus of herbaceous or shrubby plants in the family Amaranthaceae (formerly Chenopodiaceae), resistant to drought and salinity, popularly known as saltbush or orache. These species exhibit a complex adaptive structure, with leaves often covered with grayish hairs, and some are cultivated as edible vegetables or forage plants due to their high nutritional value.
- Atriplex hortensis — The scientific name of the garden orache, an annual herbaceous plant widely cultivated for its edible green, red, or yellowish leaves, traditionally used in Eastern European gastronomy. This species features a resilient adaptive structure, being rich in vitamins, minerals, and antioxidants, and is valued both as an early spring vegetable and for its depurative therapeutic properties.