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, ...

Check out the common Nigerian weeds and their botanical names below ... It can grow up to three metres tall in open fields. This plant thrives in tropical and subtropical regions.

From the tall spikes of Blue Vervain to the delicate ... Identified by its large, nodding head of spiny purple flowers, this ...