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These flowers have a specialized pollination mechanism. The plants are aromatic and their strong scent [2] attracts insects. The inner part of the perianth tube is covered with hairs, acting as a fly-trap. These hairs then wither to release the fly, covered with pollen. The fruit is dehiscent capsule with many endospermic seeds.
Pipevine swallowtail larvae feed on plants within the genus Aristolochia. These are commonly known as pipevine plants, which is where the butterfly gets its common name. [10] This plant genus is known to have active aristolochic acids, which pipevine swallowtail larvae sequester and use for defensive properties. [14]
They are mostly perennial, herbaceous plants, shrubs, or lianas. The membranous, cordate simple leaves are spread out, growing alternately along the stem on leaf stalks. The margins are commonly entire. No stipules are present. The bizarre flowers are large to medium-sized, growing in the leaf axils. They are bilaterally or radially symmetrical.
Your plants should thrive all spring, summer, and fall—even through light freezes. Freezing temperatures may ultimately kill the foliage, but there's a chance they may sprout again next spring ...
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. [2] [3]
Swallowtail butterfly (main pollinators of Lilium iridollae. Lilium iridollae and many other related species are pollinated mostly by large swallowtail butterflies. [7] In addition, this plant is also attractive to bees and/or birds. When pollination occurs, a large seed capsule ultimately develops that can contain many hundreds of seeds. [7]