Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 51 - 60 of 168 results
Media
Photo of two golden aster flowerheads plus a few leaves.
Species Types
Scientific Name
Heterotheca camporum (syn. Chrysopsis villosa var. camporum)
Description
Golden aster can cover entire valleys with its bright yellow flowers. It blooms June through October and is scattered mostly south of the Missouri River.
Media
Photo of yellow crownbeard flowerhead.
Species Types
Scientific Name
Verbesina helianthoides
Description
Yellow crownbeard and its close relatives are called wingstems because of lengthwise, winged ridges along the stems. Look for it blooming, May through October, in open and rocky areas.
Media
Photo of rough-fruited cinquefoil plant and flowers
Species Types
Scientific Name
Potentilla recta
Description
Rough-fruited cinquefoil is common in most of North America in fields and pastures, along roadsides, and other disturbed areas. It’s a stout, tall, hairy plant with five yellow to cream-colored, slightly notched petals.
Media
Photo of eastern prickly pear plant with flowers
Species Types
Scientific Name
Opuntia humifusa (formerly O. compressa)
Description
Cacti make us think of the desert southwest, but there is at least one species native to Missouri. This prickly pear grows in glades, sand prairies, rocky open hillsides, and other dry, sun-soaked areas.
Media
Photo of green-flowered milkweed showing flowers and leaves.
Species Types
Scientific Name
Asclepias viridis
Description
The flower clusters of green-flowered or spider milkweed bear large flowers for a milkweed. The jazzy purple hoods are dazzling against the greenish-yellow petals.
Media
Photo of common evening primrose, closeup of flowers.
Species Types
Scientific Name
Oenothera biennis
Description
True to its name, common evening primrose is the most common and widespread evening primrose in Missouri. It is most noticeable late in the season, when it reaches its greatest height and the flowers at the top are most visible.
Media
Photo of yellow star grass plant with flowers
Species Types
Scientific Name
Hypoxis hirsuta
Description
Yellow star grass grows throughout the tallgrass prairie region. Imagine the thoughts of pioneers when they gazed upon these bright little lilies during stops along their westward journey!
Media
Photo of yellow wood sorrel plant showing flowers and leaves.
Species Types
Scientific Name
Oxalis stricta
Description
Yellow wood sorrel is both a garden weed and a wild edible. It has a pleasant sour taste, which is why some people call it sourgrass and add it to salads.
Media
Photo of common St. John’s-wort flower with spent flowers and fruits
Species Types
Scientific Name
Hypericum perforatum
Description
In Europe, St. John’s-wort was long used as a medicinal herb and to ward off evil magic. Today, researchers are finding it can treat depression. Yet it poisons livestock and in some places is an invasive weed.
Media
Photo of Michigan lily, or Turk’s cap lily, closeup of flower
Species Types
Scientific Name
Lilium michiganense
Description
This native lily looks a lot like the Asian “tiger lily” that is commonly cultivated in gardens. Michigan lily, however, has leaves mostly in whorls and lacks the round “bulblets” that tiger lily forms in its leaf axils.
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!