Ivyleaf morningglory

August 10, 2015

Ipomoea 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
Ivyleaf morningglory leaf.

Stems

Densely hairy, climbing or trailing, twining vines up to 6 feet or more in length.

Erect hairs of morningglory
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 flower
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 entireleaf morningglory seedling
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 pitted morningglory seedling
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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Tags: integrated pest management

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