it is a common garden weed. A rounded, bushy, much branched annual, 1/2 to 3 feet tall, reproducing by seed. Stems are usually red or purple striped. Leaves are alternate; the first are long, ...
and other crops are often covered with small purple flowers called Striga. These eye-catching flowers are known as ‘witch weeds,’ as they survive and spread by parasitizing the roots of other ...