pineweed

noun

1. annual wiry-stemmed North American weed with minute scalelike leaves and small yellow flowers

   noun.plant

   Synonyms hypericum gentianoides nitweed orange grass pine-weed

   Source: WordNet 3.0

2. A low, bushy, nearly leafless herb (<i>Hypericum Sarothra</i>), common in sandy soil in the Eastern United States.

   noun

   Source: webster1913