单词 | spikelet |
释义 | spikelet[ spahyk-lit ] / ˈspaɪk lɪt / noun Botany.a small or secondary spike in grasses; one of the flower clusters, the unit of inflorescence, consisting of two or more flowers and subtended by one or more glumes variously disposed around a common axis. Origin of spikeletFirst recorded in 1785–95; spike2 + -let Words nearby spikeletspike, spikedace, spike heath, spike heel, spike lavender, spikelet, spike moss, spikenard, spike potential, spiker, spike-rush Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for spikelet
British Dictionary definitions for spikeletspikelet / (ˈspaɪklɪt) / nounbotany the unit of a grass inflorescence, typically consisting of two bracts (glumes) surrounding one or more florets, each of which is itself surrounded by two bractsSee lemma 1, palea the small inflorescence of plants of other families, esp the sedges Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for spikeletspikelet [ spīk′lĭt ] A small spike, especially one that is part of the characteristic inflorescence of grasses and sedges. A grass spikelet consists of one or more florets (reduced flowers). Each floret contains a pistil and stamens and is enclosed by two bracts, the lemma and the palea. At the base of the entire spikelet are two additional scalelike bracts, the glumes. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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