Noun
A small or secondary spike; especially, one of the ultimate parts of the in florescence of grasses. See Illust. of Quaking grass.
Source: Webster's dictionaryThis complex structure can be seen in the image on the right, portraying a wheat (Triticum aestivum) spikelet. Source: Internet
Wind Light wind transports CO 2 to the leaf canopy but strong wind cause severe damage and may lead to sterility (due to pollen dehydration, spikelet sterility, and abortive endosperms). Source: Internet