Field Guide

Wildflowers, Grasses and Other Nonwoody Plants

Showing 1 - 10 of 52 results
Media
Photo of a geocarpon plant showing stems and foliage
Species Types
Scientific Name
Geocarpon minimum
Description
Geocarpon is a tiny, inconspicuous plant found almost exclusively on sandstone glade outcrops. Extremely rare, it is a species of conservation concern. It is related to carnations!
Media
Photo of white snakeroot leaves and flowers
Species Types
Scientific Name
Ageratina altissima (formerly Eupatorium rugosum)
Description
White snakeroot looks very similar to thoroughworts, but it has triangular leaf blades that are more broadly angled or rounded at the base. White snakeroot is common statewide. It’s a toxic plant if eaten, so it’s good to be able to identify it.
Media
Green dragon plant in bloom along Katy Trail east of Portland Mo
Species Types
Scientific Name
Arisaema dracontium
Description
What could be cooler than finding a green dragon? This leafy green plant with a long, noodly spadix is closely related to Jack-in-the-pulpit. It occurs in the same habitats but is less common and easily overlooked.
Media
Photo of Jack-in-the-pulpit plant showing foliage and flowering structure
Species Types
Scientific Name
Arisaema triphyllum
Description
Preacher Jack in his “pulpit” is sheltered by the canopylike spathe, which is green with white and brown lengthwise markings. An unforgettable spring wildflower, Jack-in-the-pulpit is common throughout the state.
Media
Photo of Solomon’s seal flowers and leaves
Species Types
Scientific Name
Polygonatum biflorum
Description
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.
Media
Photo of wake robin, or trillium, plant with leaves and flower
Species Types
Scientific Name
Trillium sessile
Description
The flower of wake robin, or trillium, has 3 petals and 3 sepals, and 3 leaves that subtend the solitary flower. The petal color varies in this common woodland spring wildflower, but it is most commonly brownish or maroon.
Media
Photo of Chinese yam showing leaves and bulbils
Species Types
Scientific Name
Dioscorea oppositifolia (sometimes called D. batatas)
Description
Similar to kudzu, Chinese yam is an aggressive vine that overtakes nearly everything within reach that stands still long enough! Learn more about this invasive plant — and please don’t plant it!
Media
Photo of purple milkweed flower cluster
Species Types
Scientific Name
Asclepias purpurascens
Description
The flowers of purple milkweed are pale purple to reddish purple to dark purple, with greenish or red tints. The scientific name means “becoming purple”: The flowers start off rather pale and become more intensely purplish as they mature.
Media
Photo of leafy spurge seed heads
Species Types
Scientific Name
Euphorbia esula
Description
When you consider the negative effects this plant has on natural habitats, and how hard it is to control or eradicate, you almost want to rename it “leafy scourge”! This invasive plant is spreading in our state. Learn how to identify it.
Media
Photo of green-flowered milkweed showing flowers and leaves.
Species Types
Scientific Name
Asclepias viridis
Description
The flower clusters of green-flowered or spider milkweed bear large flowers for a milkweed. The jazzy purple hoods are dazzling against the greenish-yellow petals.
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!