Spikelets botany definition
WebDec 29, 2024 · but also paired spikelets, with one spikelet sessile and the other pedicellate (Fig. 1). The two spikelets, each with two florets, define a set of four florets; these may differ in their development and in their sex expression (Fig. 2). In most Andropogoneae the distal floret of the sessile spikelet is hermaphroditic, whereas the proximal floret is WebA spike is a raceme, but the flowers develop directly from the stem and are not borne on pedicels, as in barley ( Hordeum ). monoecious flowers A catkin (or ament) is a spike in which the flowers are either male (staminate) or female (carpellate). It is usually pendulous, and the perianth may be reduced or absent, as in oaks ( Quercus ). yarrow
Spikelets botany definition
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WebIt has been proposed as a deeper-rooting (and native) replacement for grasses commonly planted on highway embankments to reduce erosion. Habitat Anthropogenic (man-made or disturbed habitats ), coastal beaches (sea beaches), meadows and fields Characteristics Habitat terrestrial New England state Connecticut Maine Massachusetts New Hampshire WebDefinitions of spikelet. noun. a small sharp-pointed tip resembling a spike on a stem or leaf. synonyms: pricker, prickle, spine, sticker, thorn. see more.
WebSpikelet. The central part of the ear or spike is a waveform rachis, composed of a number of short nodes and internodes ( Figure 2a). Spikelets grow at the nodes, constituting modified shoots (Figure 2b ). Two glumes, located at the base of each spikelet, are shorter than the rest of lemmas in florets. WebHaving organs, particularly filament s such as stamen s, connected into one or more adelphiae, whether in the form of bunches or tubes, such as is commonly seen in families …
Web(1) Tall palms, sometimes referred to as var. typica (Nar). They are widely planted both for household and commercial use and grow to a height of 20-30 m. They are slow maturing and flower 6-10 years after planting. They are long-lived with an economic life of about 60-70 years, although much older palms are known to exist and yield well. WebWHAT DOES SPIKELETMEAN IN ENGLISH? Poaceae The Poaceaeare a large and nearly ubiquitous family of monocotyledonous flowering plants. With more than 10,000 …
WebSep 1, 2002 · Spikelets bearing one or more reduced flowers are the basic reproductive unit in the Cyperaceae. Spikelet structure, arrangement, flower number per spikelet and floral sex have been important characters in the systematics of the family ( Koyama, 1961; Eiten, 1976; Dahlgren et al ., 1985; Tucker, 1987; Bruhl, 1995; Goetghebeur, 1998 ).
Webspikelet in American English (ˈspaiklɪt) 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 … jmr water servicesWeb1. (Botany) 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 … jmr vehicle solutions limitedWebApr 26, 2024 · Botanical illustration does just that. It is one of the most specific, and vital artforms that plays a major part in botanical discovery. Every painting, or plate, that a … jmr world tradingWebspikelet noun spike· let ˈspī-klət : a small or secondary spike specifically : one of the small few-flowered bracted spikes that make up the compound inflorescence of a grass or … jms27467t13f35pWebspikelet in American English (ˈspaiklɪt) 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 Most material © 2005, 1997, 1991 by Penguin Random House LLC. jms31swhauWebMar 2, 2010 · Lateral spikelets are subtended by a bract and have a spikelet prophyll. In distichously organized spikelets, combined concaulescence of the flowers and epicaulescence (a newly defined metatopic displacement) of the glumes has caused interpretational controversy in the past. In Cariceae, the male (co)florescences are … jmr wealthWebIn botany terms the difference between spike and spikelet is that spike is a kind of inflorescence in which sessile flowers are arranged on an unbranched elongated axis … jms577 firmware