Honeyvine Milkweed Identification. It is a larval food of monarch butterflies and milkweed. Honeyvine milkweed is often confused with field bindweed convolvulus arvensis hedge bindweed calystegia sepium wild buckwheat polygonum convolvulus and several species of morning glory ipomoea spp.
Although the name implies a secretion of milky sap as in other milkweed species asclepias spp this does not occur in the leaves or stems of honeyvine milkweed. Perennial reproducing by seed and vegetative rootstalks. Roots from a clustered fibrous underground rootstock capable of vegetatively reproducing additional plants 4 2.
Leaves do not have hairs and occur on petioles that are 1 4 inches long.
A perennial with slender twining stems that may reach 10 ft in length. A perennial with slender twining stems that may reach 10 ft in length. Common names include sand vine honeyvine honeyvine milkweed bluevine milkweed climbing milkweed and smooth swallow wort. Perennial reproducing by seed and vegetative rootstalks.