Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 10 of 11 results
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
Photo of soapwort plants and flowers
Species Types
Scientific Name
Saponaria officinalis
Description
Soapwort is a tall, showy wildflower that has chemicals in its sap that lather up like soap. Native to Eurasia, it has been introduced worldwide and is a common roadside wildflower.
Media
Photo of Indian hemp plant
Species Types
Scientific Name
Apocynum cannabinum
Description
Indian hemp is a shrubby, upright perennial with opposite branches and milky sap. This native plant can be a troublesome weed in crop fields and gardens, but Native Americans used its tough, fibrous stems for rope-making.
Media
Photo of leafy spurge seed heads
Species Types
Scientific Name
Euphorbia esula
Description
When you consider the negative effects this plant has on natural habitats, and how hard it is to control or eradicate, you almost want to rename it “leafy scourge”! This invasive plant is spreading in our state. Learn how to identify it.
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 buffalo bur flower and leaves.
Species Types
Scientific Name
Solanum rostratum
Description
A spiny annual with bright yellow flowers and dandelion-like leaves, buffalo bur is an introduced member of the nightshade family.
Media
Photo of horse nettle flowers and leaves
Species Types
Scientific Name
Solanum carolinense
Description
Horse nettle is a native perennial with spiny stems and leaves, white to purplish flowers, and toxic fruits that look like tiny yellow tomatoes. It does well in disturbed habitats, and many people consider it a weed.
Media
Photo of wild comfrey showing flower cluster
Species Types
Scientific Name
Cynoglossum virginianum
Description
Wild comfrey has large basal leaves that are soft, hairy, and elliptical with long petioles — they look like hounds’ tongues! The upright flowering stalk has few leaves and looks like a wand.
Media
Star of Bethlehem cluster of plants with flowers
Species Types
Scientific Name
Ornithogalum umbellatum
Description
Star of Bethlehem is an introduced exotic plant that makes clusters of bright white flowers in the spring. It reproduces prolifically by forming a multitude of bulbs underground.
Media
Photo of wild four-o'clock flower
Species Types
Scientific Name
Mirabilis nyctaginea
Description
Wild four-o’clock grows in fields, prairies, waste places, roadways, and railroads, often in poor soils. It’s called “four-o’clock,” because the magenta flowers don’t open until late afternoon.
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!