Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 8 of 8 results
Media
Western ironweed flowerhead in bloom
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.
Media
Closeup side view of rough blazing star flowerhead
Species Types
Scientific Name
Liatris aspera
Description
Rough blazing star is fairly common and scattered nearly statewide. To distinguish between Missouri’s nine species in the genus Liatris, start by noting details of the flower structure. It’s not hard when you know what to look for.
Media
Photo of dense stand of prairie blazing star or gayfeather at Pawnee Prairie
Species Types
Scientific Name
Liatris pycnostachya
Description
Prairie blazing star has an unbranched stalk with many densely crowded, rose-purple flowerheads. It is a signature wildflower of the tallgrass prairie.
Media
Closeup of single flowerhead of a New World aster with yellow disk florets and lavender ray florets
Species Types
Scientific Name
Symphyotrichum spp. (formerly Aster spp.)
Description
Missouri has 24 species of New World asters in genus Symphyotrichum. Most have purple or white ray flowers and yellow disk flowers that turn reddish over time. Most bloom in late summer and fall.
Media
Giant ironweed flower cluster
Species Types
Scientific Name
Vernonia spp.
Description
Five species of ironweeds live in Missouri. Starting in the middle of summer, they bear showy clusters of magenta or purple flowerheads at the branching tops of upright stalks.
Media
Curlytop ironweed flower cluster viewed from the side
Species Types
Scientific Name
Vernonia arkansana
Description
Curlytop ironweed is one of Missouri’s five species of ironweeds. It’s easy to identify because of its tapering, curling, threadlike involucral bracts. Also, it is usually a smooth, hairless plant.
Media
Round-headed bush clover blooming on a prairie
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.
Media
Downy phlox flower clusters in bloom
Species Types
Scientific Name
Phlox pilosa
Description
Downy phlox, also called prairie phlox, is a perennial wildflower with lance-shaped leaves and showy, rounded clusters of pink or lavender flowers. It is similar to blue phlox, but it grows more often in prairies and other open, sunny, and drier 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!