| Noun | 1. | family Juncaceae - tufted herbs resembling grasses: rushes liliopsid family, monocot family - family of flowering plants having a single cotyledon (embryonic leaf) in the seed rush - grasslike plants growing in wet places and having cylindrical often hollow stems genus Juncus, Juncus - type genus of the Juncaceae; perennial tufted glabrous marsh plants of temperate regions: rushes Liliales, order Liliales - an order of monocotyledonous plants including Amaryllidaceae and Liliaceae and Iridaceae |