Wildflowers, Grasses and Other Nonwoody Plants
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Species Types
Scientific Name
Vernonia baldwinii
Description
Ironweeds are tough, grayish-green, branching plants known for their fluffy-looking clusters of reddish-purple florets. They are a familiar sight on roadsides and pastures. Identify western ironweed by the bracts at the base of the flowerheads.
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Species Types
Scientific Name
Eupatorium perfoliatum
Description
American, or common boneset has small, white flowerheads in flat-topped clusters at the top of the plant. The leaves are hairy, narrowly triangular, and in opposite pairs fused around the stem.
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Species Types
Scientific Name
Eupatorium altissimum
Description
A stout perennial that can grow to 6 feet tall, tall thoroughwort is a member of the sunflower family that has dull white flowers and distinctive leaves that are opposite, slender, very short-stalked, and with three quite noticeable veins.
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Species Types
Scientific Name
Sagittaria spp.
Description
Arrowheads are aquatic plants with erect, usually arrow-shaped leaves and distinctive three-petaled flowers. They are often called duck potatoes because ducks, geese, and swans relish the tuberlike rootstocks.
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Species Types
Scientific Name
Gentiana andrewsii
Description
Closed gentian, or bottle gentian, never opens — it stays closed and budlike throughout the pollination process. How is it pollinated? Bumblebees push their way into the flowers!
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Scientific Name
Cuscuta spp.
Description
Dodders are easy to identify, even though at first you might not recognize them as plants. These parasitic plants usually look like a hairlike mass of yellow or orange, leafless, wiry, vining stems wrapping around the stems of other plants.
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Scientific Name
Portulaca oleracea
Description
Purslane can be an aggressive pest in gardens and is one of the worst agricultural weeds in the world. Meanwhile, it’s also a favorite wild vegetable served cooked or raw, and many people cultivate it.
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Scientific Name
Gentiana puberulenta
Description
Downy gentian, or prairie gentian, is a beautifully blue or violet-blue wildflower with opposite leaves that blooms September through November in native grasslands.
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Scientific Name
Vernonia missurica
Description
Missouri ironweed is one of Missouri’s five species of ironweeds. Most common in the eastern half of the state, it is a hairy ironweed with a relatively large number of florets per flowerhead.
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Species Types
Scientific Name
Pseudognaphalium obtusifolium (syn. Gnaphalium obtusifolium)
Description
Sweet everlasting, or old field balsam, catches your eye with its clusters of white, peg-shaped flowerheads and white branches that contrast with the narrow green leaves. It occurs statewide, in a variety of open, sunny habitats.
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!