common threesquare

noun

common threesquare

noun

1

Schoenoplectus pungens, a species of bulrush.

Other species found in less abundance are marsh mallow, common threesquare, arrowhead, smartweed, water hemp, and cardinal flower.1987, chapter 3, in Ware Creek Water Supply Reservoir, James City County: Environmental Impact Statement, page 9:

Synonyms: sharp club-rush

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.