Annuals Dictionary: Rudbeckia
Daisy family
Compositae
Rood-beck’i-a. Coneflower . North American hardy herbs, comprising about 25 species.
Description
Leaves usually alternate, simple or compound, in some species much cut and lance-shaped, veins prominent, margins deeply toothed toward the tip. Flowers in terminal or axillary heads, generally yellow, in most species the disk flowers being brown or black.
How to Grow (more…)
