| Noun | 1. | family Eriocaulaceae - chiefly tropical aquatic or bog herbs: pipeworts liliopsid family, monocot family - family of flowering plants having a single cotyledon (embryonic leaf) in the seed Eriocaulon, genus Eriocaulon - type genus of the Eriocaulaceae: rushlike aquatic or marginal perennials usually found in shallow waters of acid lakes and pools and bogs |