Content tagged with "invasive species"

Photo of Chinese yam showing leaves and bulbils

Chinese Yam (Bulbils and Leaves)

New vines quickly sprout from the bulbils of Chinese yam. These drop off the vine and are carried to new locations by water or rodents or in topsoil moved for construction purposes. Even a small piece of a bulbil will sprout into a new vine, the way a small piece of a potato can create a new plant. The bulbils can overwinter and form new vines in spring.

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Photo of Chinese yam vine showing bulbils

Chinese Yam (Bulbils)

Although Chinese yam is not known to produce seed in the United States, it produces bulbils, which resemble tiny Irish potatoes and are not technically fruits, in the leaf axils.

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Photo of a pair of Chinese yam leaves

Chinese Yam (Leaves)

The leaves of Chinese yam are usually opposite (sometimes alternate toward branch tips), green, with 7-9 parallel veins, fiddle-shaped or heart-shaped, with pointed tip and two lobes near the base of the leaf.

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Photo of Chinese yam plant showing young foliage

Chinese Yam (New Growth)

The new growth of Chinese yam often has a reddish coloration at the base of the leaves.

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Photo of large mound of Chinese yam vines

Chinese Yam Infestation

Similar to kudzu, Chinese yam is an aggressive vine that overtakes nearly everything within reach that stands still long enough! Learn more about this invasive plant—and please don’t plant it!

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Use this print-and-carry sheet to identify and control invasive Chinese yam on your Missouri property.

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Spothanded Crayfish

Claws for Alarm

This content is archived
Why you should be concerned about invasive crayfish.

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Photo of common teasel flowering heads.

Common and Cut-Leaved Teasel Control

Learn to identify and control invasive teasels in Missouri.

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Use this print-and-carry sheet to identify and control common and cut-leaved teasel in Missouri.

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Illustration of common buckthorn leaves and fruits.

Common Buckthorn

Rhamnus cathartica
You might see it for sale at a nursery, but don’t buy it! At least six states have banned this invasive exotic, and the difficult-to-control plant is causing problems here in Missouri, too. Learn how to identify it — and avoid it!

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