Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 10 of 29 results
Media
Photo of pink wild onion flower clusters
Species Types
Scientific Name
Allium stellatum
Description
Wild onion is edible and is also favored by native-plant gardeners, who enjoy its showy umbels of pink flowers and tolerance of dry, rocky sites. This Ozark species blooms in summer and fall.
Media
Photo of wild hyacinth flower cluster
Species Types
Scientific Name
Camassia scilloides
Description
In spring, wild hyacinth bears an elongated cluster of pale blue flowers with prominent anthers that sway on stalks up to 2 feet tall.
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
spotted knapweed
Species Types
Scientific Name
Centaurea stoebe
Description
Spotted knapweed is an invasive plant that outcompetes native communities, takes over pastureland, and even beats back invasive sericea lespedeza! It has arrived in our state. Let’s prevent its spread.
Media
Photo of tall thistle plants with flowers
Species Types
Scientific Name
Cirsium altissimum
Description
Tall thistle is a native thistle that can grow to be 10 feet tall! To identify it, notice its leaves, which are unlobed (though they may be wavy or have only shallow, broad lobes), are felty-hairy beneath, and have prickles only along the edges.
Media
Photo of blue-eyed grass flower closeup
Species Types
Scientific Name
Sisyrinchium campestre
Description
It has grasslike leaves, but it’s not a grass. In fact, it’s in the same family as the common garden iris! Four species of blue-eyed grass grow in Missouri, and this one, often found on prairies, glades, and pastures, is the most common.
Media
Photo of soapweed, a type of yucca
Species Types
Scientific Name
Yucca smalliana, Y. glauca, and Y. arkansana
Description
Three species of yucca grow wild in Missouri. Spanish bayonet was introduced from the Southwest and has escaped from cultivation, but our two soapweeds are native.
Media
Photo of white heath aster flowers
Species Types
Scientific Name
Symphyotrichum pilosum (formerly Aster pilosus)
Description
White heath aster is one of Missouri's most widespread and weedy native asters. It grows in uplands, bottomlands, and nearly all habitats in between. It has a shrubby, wide-branching habit, and the stem leaves are thin and needlelike.
Media
Photo of several big bluestem seed heads against a blue sky.
Species Types
Scientific Name
All true grasses (species in the grass family)
Description
Missouri has 276 species in the grass family, including well-known crop plants and our native prairie grasses. Distinguishing between the species can be difficult, but it’s easy to learn some basics about the group.
Media
Photo of American feverfew flower cluster.
Species Types
Scientific Name
Parthenium integrifolium
Description
A common component of high-quality upland prairie, American feverfew, or wild quinine, is a native wildflower that was used to treat fevers or malaria. It's in the composite family.
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!