Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 8 of 8 results
Photo of Solomon’s seal flowers and leaves
Solomon's Seal
Polygonatum biflorum
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.
Arrowhead plant showing leaves and flowers
Arrowheads
Sagittaria spp.
Arrowheads are aquatic plants with erect, usually arrow-shaped leaves and distinctive three-petaled flowers. They are often called duck potatoes because ducks, geese, and swans relish the tuberlike rootstocks.
Photo of Ohio horsemint inflorescence
Ohio Horsemint
Blephilia ciliata
Square, unbranching stems, opposite leaves, two-lipped flowers, and a mild minty fragrance are clues Ohio horsemint is in the mint family. Tight, rounded flower clusters are stacked atop one another at the stem tips.
Photo of self-heal flower head
Self-Heal (Heal-All)
Prunella vulgaris
A square-stemmed plant with opposite leaves, self-heal bears two-lipped blue, lavender, or violet flowers in a cylindrical head. We have two varieties of self-heal in Missouri, one native and one introduced.
Photo of corn salad plant flower clusters showing arrangement of buds.
Corn Salad
Valerianella radiata
At first glance, you might overlook corn salad, except for the large colonies it often forms. The young leaves can be eaten as a salad green, hence the name.
Photo of slender mountain mint flowers
Slender Mountain Mint
Pycnanthemum tenuifolium
Slender mountain mint has smooth, square stems, opposite, narrow leaves, and dense heads of 2-lipped white (or lavender) flowers. Aromatic and minty, it can be grown at home in the herb garden, and its leaves used for seasoning food.
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.
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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!