Rustweed – Polypremum procumbens, the sole species in the genus Polypremum from the family Tetrachondraceae. It can be a perennial or annual forb/herb with low-growing, sometimes multiple ascending stems. Small white blooms appear in summer and fall. Leaves are opposite, 1–2.5 cm long, narrow, and pointed. The foliage turns a beautiful brownish-red in autumn.
Their range includes the Eastern United States, except the New England region, extending south to Central America and the West Indies, with some occurrences in South America. In the southeastern USA, it thrives in coastal plain and piedmont regions, often in disturbed areas, and is rare in mountainous regions.
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