Wildflowers, Grasses and Other Nonwoody Plants
Common cocklebur occurs statewide in open, disturbed, lowland habitats. It is a common weed in crop fields. It has wide, rough, coarsely toothed leaves; stout, often purple-speckled stems; and characteristic burs with hooked spines.
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!