Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 10 of 19 results
Media
Photo of Solomon’s seal flowers and leaves
Species Types
Scientific Name
Polygonatum biflorum
Description
Solomon's seal grows statewide in moist, rich earth. The greenish-white flowers dangle like little bells beneath the leaves, under the gracefully arching stems.
Media
Photo of Chinese yam showing leaves and bulbils
Species Types
Scientific Name
Dioscorea oppositifolia (sometimes called D. batatas)
Description
Similar to kudzu, Chinese yam is an aggressive vine that overtakes nearly everything within reach that stands still long enough! Learn more about this invasive plant — and please don’t plant it!
Media
Photo of purple milkweed flower cluster
Species Types
Scientific Name
Asclepias purpurascens
Description
The flowers of purple milkweed are pale purple to reddish purple to dark purple, with greenish or red tints. The scientific name means “becoming purple”: The flowers start off rather pale and become more intensely purplish as they mature.
Media
Photo of pokeweed plant with dangling stalks of ripe and unripe berries.
Species Types
Scientific Name
Phytolacca americana
Description
A tall, smooth, branching plant with red stems and juicy, dark purple berries, pokeweed is both toxic and a traditional edible potherb called poke salat. It is common statewide.
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 yellow passionflower flowers.
Species Types
Scientific Name
Passiflora lutea
Description
Yellow passion flower is the smaller of Missouri’s two Passiflora species. Both are vines that climb via tendrils. This one has yellowish-green flowers about an inch wide. Look for it along and south of the Missouri River.
Media
Photo of Johnson grass flower clusters
Species Types
Scientific Name
Sorghum halepense
Description
Johnson grass is a native of the Mediterranean that is invasive in our country. It’s a weed that infests cropland and degrades native ecosystems, and heavy infestations are found in all the major river bottoms of Missouri.
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 prairie alum root flower stalk with flowers
Species Types
Scientific Name
Heuchera richardsonii
Description
Prairie alum root lifts its small, greenish, bell-shaped flowers high on a hairy stalk. The leaves are all in a basal clump, have long stalks, and look a bit like maple leaves.
Media
Photo of white avens flower and upper stem leaves.
Species Types
Scientific Name
Geum canadense
Description
White avens, a common wildflower in the rose family, may not catch your eye during hikes, but you will probably notice the seeds clinging to your socks when you get home!
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!