Field Guide
Common Wireweed
Sida Acuta
Common Wireweed
Sida Acuta
Common Wireweed (Sida acuta) is a species of flowering plant in the mallow family, Malvaceae. It is believed to have originated in Central America, but today has a pantropical distribution and is considered a weed in some areas.

Erect summer annual that may survive winter. Stems seldom to much branched, smooth to nearly so. Leaves alternate, broadly lanced shped, margins toothed from base to tip, green underneath. Flowers yellow, solitary from leaf bases. Flowers in summer. Fruit with two spines on top of each section. Occurs in pinelands, hammocks, and turf as well as other disturbed areas. Propagates from seed.


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