Wildflowers, Grasses and Other Nonwoody Plants
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Species Types
Scientific Name
Vernonia gigantea (formerly V. altissima)
Description
Tall ironweed is one of Missouri’s five species of ironweeds. Most common in southeast Missouri but scattered statewide, it can grow up to 10 feet tall. To verify an ID, note leaf and flowerhead characters.
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Species Types
Scientific Name
Persicaria virginiana (formerly Polygonum virginianum)
Description
Virginia knotweed, or jumpseed, is common yet rarely contemplated. It might be most eye-catching in spring, when its new, oval leaves are marked with brownish Vs. In summer, it blooms with tiny, teardrop-shaped white flowers on wandlike stems.
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Species Types
Scientific Name
Lespedeza capitata
Description
Round-headed bush clover is a stiffly upright plant that has rounded flower clusters with cream-colored, pea-shaped flowers with purple markings on the banner petal. It grows statewide in open habitats.
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Species Types
Scientific Name
Subfamily Asclepiadoideae
Description
Milkweeds are a group of plants that used to have their very own family. Now part of the dogbane family, they’re still a pretty distinctive group.
See Also
About Wildflowers, Grasses and Other Nonwoody Plants in Missouri
A very simple way of thinking about the green world is to divide the vascular plants into two groups: woody and nonwoody (or herbaceous). But this is an artificial division; many plant families include some species that are woody and some that are not. The diversity of nonwoody vascular plants is staggering! Think of all the ferns, grasses, sedges, lilies, peas, sunflowers, nightshades, milkweeds, mustards, mints, and mallows — weeds and wildflowers — and many more!