Field bindweed Convolvulus arvensis L.
Family: Convolvulaceae (Morningglory family)
Life cycle: Perennial, reproduces by seed and deep vegetative roostocks
Native status: Introduced
Habitat: Crop fields, fence lines, landscapes
General description: Twining, herbaceous vine with alternate, lanceolate leaves. Leaves of field bindweed typically are smaller than those of hedge bindweed. White, funnel-shaped flower with two small bracts on flower stalk. Produces an extensive network of underground rootstocks.
Key ID traits: Base of leaves without distinct lobe; small bracts on flower stalk (pedicel) is separate from flowers.
Similar species: Hedge bindweed generally has larger leaves with basal lobes; wild buckwheat is an annual and has ochrea at the base of leaf petioles and inconspicuous flowers; honeyvine milkweed has opposite leaves; morningglory species in Iowa either have heart- shaped (tall) or three-lobed (ivyleaf) leaves.
Miscellaneous: Field bindweed is more aggressive in crop fields than hedge bindweed; it was one of the most severe weeds in Iowa prior to introduction of synthetic herbicides. Frequently called creeping Jenny.
Bob Hartzler Professor of Agronomy
Dr. Bob Hartzler is a professor of agronomy and an extension weed specialist. He conducts research on weed biology and how it impacts the efficacy of weed management programs in corn and soybean. Dr. Hartzler also teaches undergraduate classes in weed science and weed identificatio...