Field Guide

Ironweeds are tough, grayish-green, branching plants known for their fluffy-looking clusters of reddish-purple florets. They are a familiar sight on roadsides and pastures. Identify western ironweed by the bracts at the base of the flowerheads.

Called “crane’s bill” for its sharply pointed seed capsules, wild geranium is a gardening favorite, and there are cultivated varieties of this woodland wildflower bred for unique petal and leaf colors.

Mayapple is a common spring wildflower that makes its biggest impression with its leaves, which resemble umbrellas arising from a single stalk. It often grows in colonies.

Bull thistle is a weedy introduction from Europe, found statewide. To tell it from our other thistles, note its stems with spiny-margined wings, and its leaves with the upper surface strongly roughened with stiff, spiny bristles.

Tall thistle is a native thistle that can grow to be 10 feet tall! To identify it, notice its leaves, which are unlobed (though they may be wavy or have only shallow, broad lobes), are felty-hairy beneath, and have prickles only along the edges.

Hibiscus in Missouri? You bet! Hairy rose mallow is a native perennial whose 6-inch-wide blossoms look a lot like those of its tropical relatives. The stalks can get woody and can grow to 8 feet tall.

False dragonhead is called "obedient plant" because when you push one of the flowers sideways, it "obediently" stays in place for a while.

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.

Common in almost any kind of moist, wet or muddy habitat, fog fruit bears interesting round, purple flower heads that are ringed by small, white or pinkish flowers.

Large-flowered gaura is a tall plant whose white flowers turn pinkish as they age. Four petals point upward, then bend back, and 8 stamens droop downward. The flowers look something like small butterflies.