alternate: Refers to leaf arrangement, meaning leaves occur singly at nodes and not as opposite pairs. See opposite. annual: A plant that completes its life cycle and dies within less than one year.

Cercospora leaf blight and purple seed stain are caused by the fungus Cercospora kikuchii. This is a widespread disease, but yield loss is rarely observed. Presence of Cercospora leaf blight, does not ...

Leaf sheaths are open lacking auricles and ligules. Seedheads, often purple, contain crowded large seeds. An annual 6 to 24 inches tall with glabrous or appressed-hairy stems. Leaves are ovate, smooth ...