Alligator Weed - Chaff-Flower
Alternanthera philoxeroides (Martius) Grisebach
Amaranthaceae (Amaranth) Family

The plant is a perennial. Its lower stems are usually prostrate while the upper stems are upright. Its preferred habitat is near streams, ditches, lakes and ponds, usually with roots under water. Distribution is throughout the Escambia region.

The leaves are opposite on the stem; stalked, spatula-shaped to widest at the middle.

The flowers are head-like spikes in the leaf axil at the tip of a flowering branch.  Each flower is bisexual in nature and symmetrical in form. The calyx is 4 or 5-lobed, no petals, five stamens. Flowers occur in the summer.

Fruit is a capsule

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