ANNUAL WORMWOOD, Artemisia
annua L. 1, upper leaves and flowers; 2, lower leaves;
3, flowers. Annual, with taproot, reproducing by seed only.
Stem smooth, erect, without hairs, slender, branched in upper portion,
1 to 4 feet (0.3 to 1.2 m) tall. Leaves on lower part of stem alternate,
sweet-scented, divided into 3 sharply toothed lobes. Upper leaves much
smaller. Flower heads drooping, greenish, about 3/16 inch
(4.5 mm) in diameter, composed of disk flowers without conspicuous petals,
in loose panicles. Seeds about 1/16 inch (1.5 mm) long, angled,
oval, light yellow. Found in sandy soils, especially roadsides,
wasteland, and fallow fields. Not a troublesome weed. A number of similar
species are found in the area.