
Aristolochia is a large plant genus with over 500 species that is the type genus of the family Aristolochiaceae. Its members are commonly known as birthwort, pipevine or Dutchman's pipe and are widespread and occur in the most diverse climates. Some species, like A. utriformis and A. westlandii, are threatened with extinction.

Aristolochia acuminata, the native Dutchman's pipe or Indian birthwort is a poisonous perennial vine that is endemic to Asia and Malesia, New Guinea and the Solomon Islands and northern Australia.

Aristolochia arborea is a species of perennial plant in the family Aristolochiaceae. It is found from Mexico through Guatemala and El Salvador.

Aristolochia baetica, the Andalusian Dutchman's pipe or pipe vine, is a poisonous perennial vine that occurs from Algeria to Spain and Portugal.
Aristolochia bracteolata also known as 'worm killer' in English due to its anthelminthic activity and trypanocidal effect, is a perennial herb growing from 10–60 cm tall. The plant is important in traditional medicine in Africa, India and the Middle East.

Aristolochia californica, the California pipevine, California Dutchman's-pipe, or California snakeroot is a perennial woody vine of western North America.

Aristolochia chilensis, known locally as orejas de zorro, is a herbaceous perennial plant native to Chile.

Aristolochia clematitis, the (European) birthwort, is a twining herbaceous plant in the family Aristolochiaceae, which is native to Europe. The leaves are heart shaped and the flowers are pale yellow and tubular in form. The plant seeks light by ascending the stems of surrounding plants.

Aristolochia contorta, commonly known as northern pipevine, also known as birthwort, is a climbing perennial shrub.

Aristolochia didyma, or yawar panga is a plant found in South America of the genus Aristolochia. It is a powerful purgative, sometimes used in traditional rites to purify the body a few days before an Ayahuasca session.

Aristolochia eriantha is a species of perennial plant in the family Aristolochiaceae. It is found in Bolivia.

Aristolochia fimbriata is a species of perennial plant in the family Aristolochiaceae. It is found in Brazil, Paraguay, Bolivia, Uruguay, and Argentina. The flowering plant attracts butterflies and is known for its traditional medicinal properties.

Aristolochia gibertii is a species of perennial plant in the family Aristolochiaceae. It is found in Argentina, Bolivia, and Paraguay.

Aristolochia gigantea, the Brazilian Dutchman's pipe or giant pelican flower, is an ornamental plant native to Brazil. Typical of subtropical Bahia and Minas Gerais vegetation, it is a vigorous evergreen climber (vine) with heart-shaped leaves and spectacular fragrant flowers. This plant is cited in Flora Brasiliensis by Carl Friedrich Philipp von Martius. A. gigantea and other tropical Dutchman's pipe varieties pose a threat to the pipevine swallowtail butterfly. The butterfly confuses A. gigantea with its native host plant and will lay eggs on it although pipevine swallowtail caterpillars cannot survive on the foliage.

Aristolochia grandiflora, the pelican flower, is a deciduous vine with one of the world's largest flowers that emits an odor that smells like rotting feet, attracting flies.
Aristolochia indica is a creeper plant found in Southern India and also Sri Lanka. This plant is critical to the survival of the southern birdwing and common birdwing, as well as crimson and common rose butterflies. It reaches a height of several metres on trees and cover the branches with thick foliage. It is commonly found in forest floor, rocky hillslopes. It flowers once a year to produce seeds. It can also be propagated by roots. The plant has a number of historical medicinal uses.

Aristolochia labiata, the mottled Dutchman's pipe or rooster flower, is an ornamental plant which is native to Brazil.

Aristolochia lindneri is a species of perennial plant in the family Aristolochiaceae. It is found in Santa Cruz, Bolivia.
Aristolochia littoralis, the calico flower or elegant Dutchman's pipe, is a species of evergreen vine belonging to the family Aristolochiaceae.

Aristolochia macrophylla, Dutchman's pipe or pipevine, is a vine native to the eastern United States. Aristolochia macrophylla belongs to the plant family Aristolochiaceae and is found primarily along the Cumberland Mountains and Blue Ridge Mountains in the eastern portion of the United States, as well as Ontario, Canada. This species of plant has received considerable attention in the past few decades for the discovery of a potent compound called aristolochic acid, which has been the focus of debate due its harmful side effects.

Aristolochia maxima is a plant species native to Central and South America, naturalized in southern Florida. Common names include Florida Dutchman's-pipe (US), canastilla (Guatemala), guaco, and tecolotillo (Mexico). In Florida, it grows in hammocks in the Everglades at elevations below 50 m.

Aristolochia delavayi, known as the party-colored birthwort, is a species of flowering plant in the family Aristolochiaceae.

Aristolochia pontica is a species of perennial plant in the family Aristolochiaceae. It is found in the Republic of Georgia.

Aristolochia reticulata, the Red River snakeroot, Texas Dutchman's pipe, or Texas pipevine, is a species of perennial herb in the family Aristolochiaceae, and endemic to Arkansas, Louisiana, Oklahoma, and Texas. Its habit is erect to sprawling, up to 0.4 meters in height. It flowers in summer and late spring, and summer and grows in moist, sandy soils.

Aristolochia ringens is a species of perennial plant in the family Aristolochiaceae. It is found from Panama through Bolivia, Colombia, and Venezuela.

Aristolochia rotunda, commonly known as smearwort or round-leaved birthwort, is a herbaceous perennial plant native to Southern Europe.

Aristolochia sempervirens is a species of perennial plant in the family Aristolochiaceae. It is found in the Eastern and Southern Mediterranean Basin, notably in Crete.

Aristolochia serpentaria is a species of perennial flowering plant in the Aristolochiaceae (birthwort) family. The species is commonly known as Virginia snakeroot and is native to eastern North America, from Connecticut to southern Michigan and south to Texas and Florida.

Aristolochia sipho is an ornamental plant in the family Aristolochiaceae.

Aristolochia tagala is commonly known as Indian birthwort and locally as Dutchman's pipe.

Aristolochia tomentosa is a species of flowering plant in the family Aristolochiaceae.

Aristolochia tricaudata is a species of perennial plant in the family Aristolochiaceae. It is found in Chiapas and Oaxaca, Mexico.

Aristolochia westlandii is a species of plant in the family Aristolochiaceae. It is found in China and Hong Kong, in valley forests in Guangdong Province at an elevation of 300 to 800 metres. The leaves are long, narrow and pointed. The flowers are bent tubes from 10–15 centimetres (3.9–5.9 in) long that grow from the base of a leaf. They are yellow with purple veins and blotches.