Alligator Weed

(Alternanthera philoxeroides)

Characteristics

Leaves	Flower

Growing habit: Decumbent, aquatic or terrestrial, perennial

Root/Stem anatomy: Fibrous roots from a taproot, hollow stem

Leaves: Opposite leaf arrangement, linear-elliptic leaf shape

Reproduction: Vegetative reproduction mainly, flowers seldomly. When flowering, inflorescence is a solitary axillary or terminal head , up to 20 florets per head, white

^{References: Weeds of the South by Charles T. Bryson and Michael S. DeFelice}