Arisarum vulgare

This rather bizarre, perennial plant, which grows to a height of approximately 30 cm (11.8 in), propagates vegetatively by tubers. Its stem, underground, is broad and glabrous. Bloom color: Green, Purple, Brown/Bronze. It is considered toxic, in as much as the leaves and tuber are emetic, if swallowed. The plant contains calcium oxylate crystals. These cause an extremely unpleasant sensation similar to needles being stuck into the mouth and tongue if they are eaten.

Aristolochia arborea

Small, thin, rainforest tree of Central America with corky bark. Flowers appear mostly in clusters near the base of the tree with occasional solitary or paired flowers in the axils higher up. Flower resembles a small capped mushroom in the genus Marasmius and possibly pollinated by mushroom gnats. Requires consistently moist soil; do not let dry out between waterings.

Aristolochia fimbriata

Aristolochia fimbriata is an excellent hanging basket plant. Each rounded leaf is medium green, highlighted with dramatic silver veining.

Aristolochia fimbriata like to grow in a light and airy place, but not in direct sunlight. Water regularly during the growth period, once or twice a week. Water no more than once a week during winter. In winter, the stems retreat back to the base. It grows best in rich, well-drained soil.

Aristolochia gigantea

The Aristolochia gigantea will inspire a sense of marvel to anyone who gazes upon it. This truly spectacular blossom produces a pouch that in some cultivars is almost 2 feet long and more than a foot across. Ivory veins network across a burgundy velvet background as the flower unfurls. Heart-shaped, light green leaves, about 6 inches in length, adorn this easy-to-grow vine. The plant blooms at a young age and grows in full sun or partial shade.

In some sources, Aristolochia gigantea is considered as Aristolochia grandiflora var. Hookeri. The cultivation of Aristolochias is undemanding. Sun lovers that appreciate some shade in hotter inland areas, they adapt to any soil that drains well. Any pruning necessary to contain or shape the plants should be done in late winter or early spring. Cultivation is easy, and growth can be tamed. Papery capsule containing many seeds.

A. gigantea var. Brasiliensis has even larger lemon-scented flowers and exhibits an elaborate pattern of white and mottled reddish brown. Since it is not a vigorous vine, it can easily be trained on a stake, trellis or even a hanging basket. A most interesting fly catching, carnivorous plant.

Aristolochia gigantea var. Brasiliensis

Variety Brasiliensis is an exceptional cultivar of A. gigantea. It has even larger flowers that are lemon-scented and exhibits an elaborate pattern of white and mottled reddish brown. Since it is not a vigorous vine, it can easily be trained on a stake, trellis or even a hanging basket. One of the most interesting fly catching, carnivorous plant.

It is important not to confuse "Brasilensis" cultivar of A. gigantea with Aristolochia brasilensis - a synonym of A. labiata.