Field Guide

Shrubby St. John’s-wort has shiny, somewhat leathery, opposite leaves, 2-edged twigs, and flowers with 5 bright yellow petals and many stamens. A shrub growing to 6 feet tall, it is scattered nearly statewide.

St. Andrew’s cross is a small, sprawling shrub up to 3 feet tall, with smooth, opposite leaves, reddish flaky bark, and distinctive yellow flowers with 4 petals. It grows in the southern half of Missouri.

Eastern redbud is a native shrub or small tree that is distinctly ornamental in spring with small, clustered, rose-purple flowers covering the bare branches before the leaves.

Eastern hop hornbeam is named for its fruits, which are clusters of flattened, papery, scalelike sacs arranged in an overlapping pattern, like scales on a pinecone — resembling the hops that beer is made from.

Exotic willows are available at lawn and garden centers, but there are several willow species that are native to Missouri. Most are rather humble colonizers of gravel bars, riverbanks, and lakesides. Many are important for human economic interests. All have a place in our wild ecosystems.

Ozark witch-hazel is a large native shrub that grows along dry, rocky streambeds in southern and east-central Missouri. The yellow, ribbonlike flowers bloom as early as January. In the fall, the seeds are ejected forcefully, to a distance of up to 30 feet!

Of the three species of catalpas in our state, northern catalpa is the only one native to Missouri (specifically, the Bootheel region). It has been planted widely, though, and has naturalized in many places. A popular ornamental and shade tree with pretty, orchidlike flowers and long, beanlike fruit.

White flowers clustered in round balls give buttonbush its name. It's always found near water, and thickets of buttonbush help protect lakeshores from wave action. This shrub is also planted as an ornamental.