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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 spikelet

First recorded in 1785–95; spike2 + -let

Words nearby spikelet

spike, 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

  • Spikelet single, terminating the naked culm, many–several-flowered.

    The Manual of the Botany of the Northern United States|Asa Gray
  • Spikelet with a reddish tinge; awn almost smooth, less than 20 mm.

    Grasses|H. Marshall Ward

British Dictionary definitions for spikelet

spikelet
/ (ˈspaɪklɪt) /

noun

botany 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 spikelet

spikelet
[ spīklĭt ]

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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更新时间:2024/11/11 22:45:01