Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 5 of 5 results
Media
Cleft violet, Viola palmata, blooming plant viewed from above
Species Types
Scientific Name
Viola palmata (syn. V. triloba)
Description
The leaf blades of cleft violet are highly variable, and the plant produces differently shaped leaves as the season progresses. Midseason leaves have a broad central lobe flanked by additional lobes toward the base.
Media
Prairie ragwort, single blooming flowerhead
Species Types
Scientific Name
Packera spp. (formerly Senecio spp.)
Description
Ragworts, or groundsels, have several common names, and separating the different species can be a little tricky. But members of genus Packera, with their bright yellow daisy-like flowers, are distinctive as a group. Seven species have been recorded in Missouri.
Media
Prairie ragwort flower cluster in bloom on Friendly Prairie, May 1, 2012
Species Types
Scientific Name
Packera plattensis (formerly Senecio plattensis)
Description
Prairie ragwort is one of seven Packera species in our state. It grows in sunny, open habitats. Look for its clusters of bright yellow, daisylike flowers in May and June.
Media
Plains violet, or wayside violet, Viola viarum, plants in bloom
Species Types
Scientific Name
Viola viarum
Description
The leaf blades of plains, or wayside violet are highly variable, and the plant produces differently shaped leaves as the season progresses. It’s quite similar to cleft violet, but the leaves are smooth and hairless.
Media
Butterweed blooming at Mokane Access, April 26, 2020
Species Types
Scientific Name
Packera glabella (formerly Senecio glabellus)
Description
Butterweed, one of Missouri’s seven species of ragworts or groundsels, is the only one that is an annual. It grows in colonies, at times covering acres of floodplain. Stems are heavily ridged and usually inflated or hollow. It blooms April–June.
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!