Anemophily

Wind-pollination (anemophily) syndrome
The flowers of wind-pollinated flowering plants, such as this saw-tooth oak (Quercus acutissima), are less showy than insect-pollinated flowers.
Anemophilous plants, such as this pine (Pinus) produce large quantities of pollen, which is carried on the wind.

Anemophily or wind pollination is a form of pollination whereby pollen is distributed by wind. Almost all gymnosperms are anemophilous, as are many plants in the order Poales, including grasses, sedges, and rushes. Other common anemophilous plants are oaks, pecans, pistachios, sweet chestnuts, alders, hops, and members of the family Juglandaceae (hickory or walnut family). Approximately 12% of plants across the globe are pollinated by anemophily, including cereal crops like rice and corn and other prominent crop plants like wheat, rye, barley, and oats. In addition, many pines, spruces, and firs are wind-pollinated.

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