Spike inflorescence examples
WebExercise 6 Across [10] 1. A flat topped inflorescence having a main vertical axis and pedicels of unequal length along it 5. A spike or raceme composed of unisexual flowers without petals 6. An inflorescence with an expanded peduncle with ray flowers on the outside and disk flowers in the centre 8. A thick, fleshy inflorescence with staminate flowers in the … WebExamples are found in a number of families which are called ameniiferous. These include oak (Quercus), willow (Salix ), birch (Betula), poplar (Populus), hazel (Corylus, mulberry (Morus), Trewia nudifora, Croton, Acalypha, etc.
Spike inflorescence examples
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WebApr 9, 2024 · Spike: When flowers without pedicel are arranged in an acropetal manner. Example: amaranth (Amaranthus spp.), latjira (Achyranthes aspera), etc. Spadix: When a spike is covered by a sheath-like covering by a spathe it becomes a spadix. Example:members of Araceae, Musaceae and Palmaceae. WebAn example of a spike is the cattail ( Typha; Typhaceae). The fleshy spike characteristic of the Araceae is called a spadix, and the underlying bract is known as a spathe. A catkin (or …
WebOct 19, 2024 · Examples — families Juglandaceae (Engelhardtia spicata), Betulaceae (Corylus colurna), Salicaceae (Salix tetrasperma) etc. are characterised by this … WebA spike is a raceme, but the flowers develop directly from the stem and are not borne on pedicels, as in barley ( Hordeum ). A spike is a raceme except that the flowers are attached directly to the axis at the axil of each leaf rather than to a pedicel. An example of a spike is …
WebMay 9, 2024 · Examples of grasses with spike inflorescences include the ryes, barleys, and timothy. Panicles have branches, and their spikelets can either be held on pedicels or be directly attached to the branch. The big difference here is that the rachis of a panicle branches. Panicles can come in different shapes and sizes, but always have branches. Web11 rows · Jan 16, 2024 · There are many examples of mixed inflorescence; some of these are given below with example: ...
WebSpike: It is similar to raceme, but here the flower develops from the stem instead of being borne on pedicels. Catkin: It is a spike where the flowers can be staminate (male) or carpellate (female) Spadix: It is a spike borne on a flesh stem which is one of the members of the Araceae family.
WebThe following types are discussed under main axis elongated type. a. Simple raceme: The inflorescence with an unbranched main axis bears pedicellate flowers in acropetal succession. Example: Crotalaria retusa, mustard and radish. b. Spike: Spike is an unbranched indeterminate inflorescence with sessile flowers. goodfellas netflix countriesWebThe center of the cup-shaped structure contains female flowers, surrounded by small male flowers. This type of inflorescence can be found in Euphorbia, Pedilanthus, and … health services of north texas incWebNov 11, 2024 · Spike Raster Plot. Version: 1.0. This chart creates a spike raster plot from spike time stamps with optional trial and group data. Syntax. spikeRasterPlot(spikeTimes) create a spike raster plot with the specified spike timestamps. spikeTimes must be a vector of duration values. spikeRasterPlot(spikeTimes, trials) create a spike raster plot with the … health services of nny potsdam ny phoneWebJan 5, 2024 · They are joined in a spike inflorescence, which is composed of various spikelets that are combined in various ways along the main axis known as the rachis. Festuca, for example. The main axis of the compound spadix is branched, and each branch bears sessile flowers. The entire inflorescence is surrounded by a thick boat-shaped … goodfellas new haven reservationshttp://theseedsite.co.uk/inflorescences.html health services of north texas patient portalWebExample: Bras–sica. Spike: The inflorescence in which main axis is elongated and hears sessile lateral flowers is called spike. The flowers may be bracteate or ebracteate. Example: Bottle brush, ginger . Spikelet: The dry spike which … goodfellas new haven connecticuthealth services of north texas npi