Definitions

1. noun

A plant of the genus Pedicularis, especially P. sylvatica, having yellow flowers and growing in dry places.

“The hikers spotted poorweed growing near the stream.”

2. noun

A plant of the genus Lepyrodia or of the genus Stellaria, especially Lepyrodia juncea, having yellow flowers and growing in wet places.

“The botanist identified the poorweed as a species of Lepyrodia.”