Missouri Plants Black-eyed Susan   (Rudbeckia hirta) Tracheophyta: Angiospermae: Dicot: Daisy (Asteraceae) Native North American plant Habitat: full sun well-drained soil sites. ID Features: toothed leaves, orange flowers with orange/yellow petals and brown central disk. Natural History: Black-eyed susan is a common and very showy flower of the Missouri landscape. Their "petals" are actually male ray flowers while the central brown disk are female flowers.

The information is from: Missouri Wildflowers by Edgar Denison, 5th Edition, Missouri Department of Conservation, ©1998.