(n.) Any plant of the genus Carex, perennial, endogenous herbs, often growing in dense tufts in marshy places. They have triangular jointless stems, a spiked inflorescence, and long grasslike leaves which are usually rough on the margins and midrib. There are several hundred species.
(n.) A flock of herons.
Example Sentences:
(1) Three bacterial isolates, a Pseudomonas sp., a Bacillus sp., and an Arthrobacter sp., commonly isolated from a hummocky sedge-moss meadow at Devon Island, N.W.T., Canada, were selected for further taxonomic characterization and for a study of the effects of temperature and limiting carbon source on growth.
(2) This factor would have been 1200 if lead aerosols had not collected on sedge leaves and circtumvented the tendency by sedge to exclude lead from the nutritive metals it absorbed from soil moisture.
(3) This ratio decreased by an overall factor of 200 in proceeding from rock, to soil moisture, to sedge, to vole.
(4) The plant compound, 6-methoxy-2-benzoxazolinone (6-MBOA), is present in vegetatively growing grasses and sedges and acts to trigger reproduction in other rodent species exposed to short days.
(5) A sedge, Mariscus congestus (Vahl) C.B.Cl., was a useful indicator of Aedes (Ochlerotatus) juppi McIntosh oviposition areas.
(6) B. globosus shows a clear predilection for the sedge Cyperus exaltatus as support for oviposition.
(7) In a market study male turkeys were raised on floor pens containing peat or wood shavings and fed 0, 5, or 10% reed-sedge peat as a diluent of a typical corn-soybean meal mash diet.
(8) Lesser pollens are sorrel, willow, pine, juniper, sedge, lamb's-quarters, wormwood, plantain, and others.
(9) parasitic on four species of wild cereals and two species of sedge.
(10) Larvae were most numerous in areas dominated by arrow-arum (Peltandra virginica) and maidencane (Panicum hemitomon), less so in areas dominated by sedges (Carex spp.)
(11) While gathering sedges or tamarinds, adult males sat in one place longer than others and obtained more food per sitting.
(12) Most of the lead contained in sedge and voles (mountain meadow mice) within one of the most pristine, remote valleys in the United States is not natural but came from smelter fumes and gasoline exhausts.
(13) This finding is consistent with one of the two principal views of grass phylogeny in suggesting that Poaceae and Cyperaceae (sedges) are not closest relatives.
(14) The upper levels, and the shape of the roofs thatched with straw or sedge, are conjecture, so several different styles are being tried out, included thatching over steeper ridges and shallow curved hazel hoops.
(15) Wombats consume grasses and sedges which are often highly fibrous.
(16) The finding, gathering, and preparing of sedge corms and of seeds of tamarind fruit were described in detail.
(17) Clavicipitaceous endophytes (Ascomycetes) are distributed worldwide in many grasses and sedges forming a perennial and often mutualistic association with their hosts.
(18) It was a watery anomaly, a pond in dunes, surrounded by thick tussocks of sand sedge many, many miles from the sea.
(19) The authors feel that friction with clothing or with scrub pads made of sedge (a very common practice amongst mexicans in the bath room) against clavicular protuberances is fundamental in its pathogenesis.
(20) injuring sedge have the haploid number of chromosomes n=18.
Spikelet
Definition:
(n.) A small or secondary spike; especially, one of the ultimate parts of the in florescence of grasses. See Illust. of Quaking grass.
Example Sentences:
(1) Small transient all-or-none depolarizations (also termed in the literature fast prepotentials, spikelets, pseudospikes, d-spikes, or short latency depolarizations) and their association with lucifer yellow (LY) dye-coupling were analyzed in CA1-CA3 hippocampal pyramidal cells in urethane anesthetized rats.
(2) The isolates were grown on Sabouraud glucose agar for 2 days before being inoculated into boiled spikelets of Axonopus compressus (Gramineae) and then into induction medium (IM).
(3) Spikelets rose from base line as 3-10 mV depolarizing wavelets with a duration between 5 and 10 ms.
(4) The action potentials and the subthreshold spikelets were shown to be Na+ dependent and are presumably generated by a voltage-dependent inactivating Na+ conductance.
(5) Hooked macrohairs on the lemma of the spikelet show that morphological modifications in grasses for dispersal by attachment to the surface of animals were present in the Late Eocene.
(6) flower glume colour, degree of lateral spikelets development, hairy rechis of the ear, were observed in diallel crosses among the varieties Nutans 244, Trumpf, DZ-02389, Hiproly and Brachitic.
(7) Plateau potentials with a high threshold and high-threshold spikelets were Ca2+ dependent and seem to be generated by non-inactivating and possibly inactivating Ca2+ conductances.
(8) Relay cells, on the other hand, were strongly depolarized and fired spikelets at a greatly increased frequency during EOD-interruptions.
(9) It was found that (a) 15 of the 24 LY-injected pyramidal neurons (63%) showed dye-coupling; (b) spontaneous, anti- and orthodromically evoked spikelets (3-7 ms in duration; 3- to 12-mV peak) were recorded in 40 of 95 cells (42%); (c) there was a significantly higher probability of dye-coupled neurons with spikelets and of uncoupled ones without spikelets; (d) spikelet waveform and amplitude were unaffected by spontaneous or imposed polarizations; (e) large hyperpolarizations could reduce the rate and even prevent spikelets; and (f) spikelets could precede or follow spikes, the latter were more frequent with large depolarizations.
(10) Electrophysiological findings, and the association of dye-coupling and spikelets, suggest strongly that at least some spikelets are coupling potentials.
(11) Discovery of a female spikelet of the grass genus Pharus (Gramineae: Bambusoideae: Phareae) in association with mammalian hair in Dominican Republic amber provides the first fossil evidence of epizoochory.