The flowers of sand vine form in open groups arising on stalks from the leaf axils. The flowers are white, tiny, and strongly scented; the corolla lobes stand upright around a fleshy corona. It blooms July–September.
Beloved by bees, butterflies, and other insects for its nectar, sand vine is a problem weed that can be difficult to eradicate. Some people cultivate it as an ornamental, and beekeepers value it as an excellent honey plant.
Sand vine is a native milkweed vine that provides needed nectar for monarch butterflies as they migrate southward in late summer. Monarchs also lay their eggs on the plant, and their larvae feed on the foliage.
Wild potato vine is a native vine that is related to the cultivated sweet potato we buy at grocery stores. It is also related to the morning glories that decorate trellises, and to the bindweed that plagues gardeners and farmers.
This native vine is related to the cultivated sweet potato we buy at grocery stores. Wild potato vine is also related to the morning glories that decorate trellises, and to the bindweed that plagues gardeners and farmers.
Introduced from Asia as a groundcover, wintercreeper has escaped cultivation in all the eastern states. It’s frequently found near urban centers, with heavy infestations in woodlands around St. Louis and Kansas City.
Yellow passion flower is an herbaceous perennial vine, climbing by tendrils. The leaves are alternate, shallowly three-lobed, and about 4 inches long and 6 inches wide. Based on their tendrils and fruit structure, passion flowers were long thought to be related to the cucumber family. Genetic evidence is showing they are more closely related to violets and willows.
In Missouri, yellow passion flower is scattered mostly south of the Missouri River. It blooms May–August. Look for it in bottomland forests, rich upland forests, bases and ledges of bluffs, margins of glades, and banks of streams and rivers.
The yellowish-green flowers of yellow passion flower grow in groups of 1 to 3 and are about 1 inch across, each on a stalk to 1½ inches long. The flowers are intricate, with numerous fringed floral parts.
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