Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 3 of 3 results
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
Yellow ironweed blooming flowerhead
Species Types
Scientific Name
Verbesina alternifolia (syn. Actinomeris alternifolia)
Description
Yellow ironweed is a tall native perennial wildflower. Its yellow petal-like rays droop down, making the many flowerheads look like small, ragged sunflowers. The stems are winged, especially toward the bottom of the plant.
Media
Whorled milkweed flowers.
Species Types
Scientific Name
Subfamily Asclepiadoideae
Description
Milkweeds are a group of plants that used to have their very own family. Now part of the dogbane family, they’re still a pretty distinctive group.
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!