Ivyleaf morningglory
August 10, 2015
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EmailIpomoea hederacea (L.) Jacq.
Life cycle
Twining summer annual vine.
Leaves
Cotyledons are butterfly-shaped and usually narrower at the base. Leaves are alternate with erect hairs on both surfaces. The first leaf may be un-lobed; all other leaves are three-lobed and ivy-shaped.
Ivyleaf morningglory leaf.
Stems
Densely hairy, climbing or trailing, twining vines up to 6 feet or more in length.
Erect hairs of ivyleaf and entireleaf morningglory.
Flowers and fruit
Blue to purple or white petals fused into a funnel shape. Fruit are egg-shaped capsules containing dull gray, brown or black seeds with one round and two flattened surfaces.
Ivyleaf morningglory flowers.
Reproduction
Seeds.
Similar weeds
Entireleaf morningglory (I. hederacea var. integriuscula Gray) Differs only from ivyleaf morningglory by having heart-shaped leaves. Leaf hairs are erect on both surfaces.
Entireleaf morningglory leaf (left). Entireleaf morningglory seedling (right).
Pitted morningglory (I. lacunosa L.) Differs by having V-shaped cotyledons and heart-shaped leaves with no to few hairs.
Pitted morningglory leaf (left). Pitted morningglory seedling (right).
Tall morningglory [I. purpurea (L.) Roth] Differs by having butterfly-shaped cotyledons with tip and base similar in width and heartshaped leaves with dense hairs that lie flat.
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