Field Guide

Compass plant grows to 8 feet tall and has foot-long, deeply cleft leaves at its base. It got its common name because its leaves turn so that the surfaces face east and west to take full advantage of the sun’s rays.

Of Missouri’s six rosinweeds, prairie dock is identified by its large, leathery, unlobed leaves, which are nearly all in a basal whorl. Only a few small leaves grow on the stem.

Common ground cherry is closely related to the tomatillo, which you’ve probably seen in the grocery store or had in a delicious salsa verde at a Mexican restaurant. The fruits of ground cherry are edible, too.

You can find small colonies of lance-leaved loosestrife nearly throughout the state. It has showy but nodding yellow flowers and opposite, closely spaced, lanceolate or ovate leaves.

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.

Ox-eye daisy, though familiar, is not native to North America. It was introduced long ago from Eurasia. Common in grassy uplands, pastures, fencerows, and roadsides, it can colonize aggressively in the garden.

Found mainly in the southern half of the state, in prairies and glades, prairie parsley is an upright, stout-stemmed perennial with small yellow flowers in umbrella-shaped clusters. It blooms April through June.

One of our more challenging plants to identify, meadow parsnip looks an awful lot like golden Alexanders. But you can do it! Look closely at the flower clusters and at the edges of the leaves, and then check the seeds.

Named for its resemblance to a European herb that was popular in Medieval times, golden Alexanders is a native Missouri wildflower with bright yellow flowers arranged in umbrella-like clusters.

Missouri has 276 species in the grass family, including well-known crop plants and our native prairie grasses. Distinguishing between the species can be difficult, but it’s easy to learn some basics about the group.