Content tagged with "plants"

Photo of American pondweed closeup of leaves

American Pondweed (Longleaf Pondweed)

American pondweed, or longleaf pondweed (Potamogeton nodosus), like other pondweeds, grows submerged in water, sometimes with floating leaves, with only its flowers rising above the surface.

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Photo of American water willow showing plant with flowers

American Water Willow

American water willow is common on gravel bars and other stream banks throughout much of Missouri. The dense colonies of emergent stems have leaves like a willow’s, but the two-lipped flowers resemble little orchids.

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Photo of American water willow closeup on flowers

American Water Willow (Flowers)

The flowers of water willow are nothing like the catkins of true willows. They are clustered into headlike groups and are about ¾ inch long with a notched upper lip and a 3-lobed lower lip. The upper lip is light purple, rarely white; the lower lip white or pale purple with purple markings. It blooms May through October.

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Anthracnose Symptoms Leaves

Anthracnose, a foliar disease of walnuts, turns healthy leaves yellow and brown.

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Aquatic plant, pickerel weed, being grown in a nursery

Aquatic Propagation in Scours

Over the summer aquatic plants, like this pickerel weed, have been grown in a nursery and planted in some of the deeper scours that have held water through the summer.

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