richweed

• 名词，指两种植物之一：一是美国东部产的直立多年生植物，具锯齿状尖叶和淡黄色花（Collinsonia canadensis）；二是同属或相关植物，如垂序绿花序、光滑半透明茎叶的香茶菜属植物（Pilea）。

A noun referring to either an erect perennial plant with serrate pointed leaves and yellowish flowers found in the eastern United States, or a plant of the genus Pilea with drooping green flower clusters and smooth translucent stems and leaves.

1. Collinsonia canadensisC2formalamericanscientific

   An erect perennial plant with strong-scented, serrate pointed leaves and a loose panicle of yellowish flowers, native to the eastern United States.

   加拿大柯林草

   • Richweed is commonly found in the woodlands of the eastern United States.
   • The serrate leaves of richweed give off a distinct lemon-like scent when crushed.
   • During late summer, richweed produces loose clusters of small, pale yellow flowers.

   同义词horseweedstone-rootstoneroot

2. Pilea pumilaC2formalamericanscientific

   A plant of the genus Pilea, characterized by drooping green flower clusters and smooth, translucent stems and leaves.

   小墙草

   • Richweed, also known as clearweed, has translucent stems that are easily broken.
   • The drooping green flower clusters of richweed appear in the leaf axils.
   • This species of richweed thrives in moist, shaded areas along stream banks.

   同义词clearweed