ERIOCAULON (from erion, wool, and kaulos, a stem; alluding to the woolly scapes of some species). Pipewort. SYNS. Randalia, Sphaerochloa, Symphachne. ORD. Eriocauloneae. A genus of about a hundred species of widely distributed aquatic or marsh plants. None are in cultivation except in botanic gardens. The only European representative of the genus is E. septangulare, an inconspicuous plant, which, in the Old World, is only found in lakes in Skye and the West of Ireland.