pipewortn.
/ˈpʌɪpwəːt/, U.S. /ˈpaɪpˌwərt/, /ˈpaɪpˌwɔrt/ 1. The aquatic monocotyledonous plant Eriocaulon aquaticum (family Eriocaulaceae), native to North America, western Ireland, and the Hebrides, with leafless stems bearing heads of inconspicuous flowers. Later (frequently with distinguishing word): any plant of the genus Eriocaulon.
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the world > plants > particular plants > plants and herbs > aquatic, marsh, and sea-shore plants > [noun] > other aquatic plants
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1776 W. Withering Bot. Arrangem. Veg. Great Brit. 784 Pipewort... Eriocaulon... Wreathed Pipewort... This plant was found by Mr. Robertson..1768.
1854 H. D. Thoreau Walden ix There also I have found..curious balls, composed apparently of fine grass or roots, of pipewort perhaps.
1894 B. Torrey Florida Sketch-bk. 30 Beside the railway track were blue-eyed grass and pipewort.
1918 Amer. Naturalist 52 332 A few scattered plants of the seven-angled pipewort may be seen.
1974 M. Davis Near Woods v. 69 Slender pipeworts were poking up through the water's sunlit surface.
2000 Nature Conservancy Mar.–Apr. 26/3 The expanded natural area will protect a large population of small-headed pipewort (Eriocaulon kornickianum).
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1846 J. Lindley Veg. Kingdom 122 The most important distinctions seem to consist in the presence among the Pipeworts of a membranous tube, which may be regarded as the most distinct approach, in the Glumal Alliance, to the corolla of the petaloid series, and in the anthers being 2-celled, not 1-celled.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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