plant used for medicine arrowgrass plant Juncaginaceae Triglochin is a genus in the family *Juncaginaceae* described as a genus by Linnaeus in 1753. The most widely used common name for the genus is arrowgrass, although these plants are not really grasses. Many of the common names for species make use of the term "arrowgrass", although there are exceptions: *Triglochin procera*, for example, is commonly known as water ribbons. [https://en.wikipedia.org/wiki/Triglochin] triglochin spp. water ribbon requires discussion