Ipomoea lacunosa (weed)
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Ipomoea lacunosa L. - (pitted morningglory)
This species is a common and climbing weed in North America where it affects crops like cotton, soybean, maize and groundnut. Up to 50% yield losses have been recorded in soybean. It is also found in Europe and eastern Asia. One plant can produce up to 10,000 seeds which are durable and undergo a dormancy period. They disperse through water, animals and human activities and can survive for many years.
The plant may climb to a height of 2 m. The leaves are usually elongated, heart-shaped (sometimes 3-lobed) with a pointed tip, 5-10 cm long. The white flowers are funnel-shaped and about 2-2½ cm wide. The flowers are small compared to other Ipomoea species. The spherical seed capsule produces dark brown, elongated to irregular seeds, 3-4 mm large.
- Other images of Ipomoea lacunosa (weed) (IPM Images - click to enlarge)
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