Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 10 of 10 results
Photo of wild hyacinth flower cluster
Wild Hyacinth
Camassia scilloides
In spring, wild hyacinth bears an elongated cluster of pale blue flowers with prominent anthers that sway on stalks up to 2 feet tall.
Photo of common evening primrose, closeup of flowers.
Common Evening Primrose
Oenothera biennis
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.
Photo of orange day lily flower
Orange Day Lily
Hemerocallis fulva
Native to Europe and Asia, orange day lily was widely planted by early settlers and has become widely naturalized in North America. The seeds don't mature in Missouri, so all the plants here are spread by root divisions.
Photo of smooth spiderwort flowers being visited by beelike syrphid flies
Smooth Spiderwort
Tradescantia ohiensis
Smooth spiderwort is the most common and widely distributed of Missouri's spiderworts. It has slender, straight or zigzag stems. The long, narrow leaves are folded lengthwise and attach to the stem in a thick node. The 3 petals of the triangular flower are blue, rose, purple, lavender, or white.
Photo of soapweed, a type of yucca
Yuccas (Spanish Bayonet; Soapweed)
Yucca smalliana, Y. glauca, and Y. arkansana
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.
Photo of shepherd’s purse plant and flowers
Shepherd's Purse
Capsella bursa-pastoris
Shepherd’s purse is a plant that started in Europe and western Asia and has been introduced nearly worldwide. Like the common dandelion, it has several adaptations that make it a successful colonizer of disturbed soil.
Photo of black mustard flower cluster
Black Mustard
Brassica nigra
Next time you breeze past weedy black mustard on the highway or spot it in a fallow field, think of how important this and other mustards are to the world economy – and to your dinner table.
Common purslane plant growing on bare, dry soil
Common Purslane
Portulaca oleracea
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.
Common chickweed plant in bloom
Common Chickweed
Stellaria media
Common chickweed, native to Europe, has been introduced nearly worldwide and is a familiar garden weed in Missouri. It forms spreading mats on the ground and has small flowers with 5 petals, each deeply lobed making it look like 10.
Photo of yellow rocket flower clusters
Yellow Rocket
Barbarea vulgaris
Yellow rocket is a mustard native to Eurasia that was introduced long ago and today is found across North America. The mustard family used to be called the Cruciferae, because of the cross shape formed by the four petals.
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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!