Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 10 of 84 results
Media
Photo of showy partridge pea showing flowers, buds, and leaves.
Species Types
Scientific Name
Chamaecrista fasciculata (formerly Cassia fasciculata)
Description
The interesting, bright yellow flowers of showy partridge pea are immediately recognizable. At night, the leaflets close and pull upward into a sleeping position.
Media
Photo of an Engelmann’s adder’s tongue with a black background
Species Types
Scientific Name
Ophioglossum spp.
Description
Four species of adder’s tongue ferns occur in Missouri. They don’t look like typical ferns. They have spoon-shaped leaves and an upright spore-bearing stalk.
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
Photo of hedge parsley flower clusters
Species Types
Scientific Name
Torilis arvensis
Description
Hedge parsley is an introduced plant that looks a lot like parsley. It was first collected in Missouri in 1909 and has become much more abundant in recent decades as it spreads along roadsides and railroads.
Media
Photo of spring beauty plants and flowers
Species Types
Scientific Name
Claytonia virginica
Description
Our most widely distributed early spring flower, spring beauty has 5 white or pink petals with distinct pink veining, and 5 pink anthers. The narrow, bladelike leaves are fleshy. These flowers often grow in abundance, covering a patch of ground with the beauty of spring.
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
Photo of white snakeroot leaves and flowers
Species Types
Scientific Name
Ageratina altissima (formerly Eupatorium rugosum)
Description
White snakeroot looks very similar to thoroughworts, but it has triangular leaf blades that are more broadly angled or rounded at the base. White snakeroot is common statewide. It’s a toxic plant if eaten, so it’s good to be able to identify it.
Media
American, or common boneset, flower clusters and upper stem leaves
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.
Media
Photo of a tall thoroughwort plant in bloom.
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.
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.
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!