What is "pineweed"

Pineweed \Pine"weed`\, n. (Bot.) A low, bushy, nearly leafless herb ( Hypericum Sarothra), common in sandy soil in the Eastern United States.

n. A low, bushy, nearly leafless herb ((taxlink Hypericum sarothra species noshow=1)), common in sandy soil in the eastern United States.

n. annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers [syn: orange grass, nitweed, pine-weed, Hypericum gentianoides]