In some members of which of the following pairs of families, pollen grains retain their viability for months after release?
Poaceae ; Rosaceae
Poaceae ; Leguminosae
Poaceae ; Solanaceae
Rosaceae ; Leguminosae
In members of some plant families like Solanaceae, Rosaceae and Leguminosae the pollen grains retain their viability for several months. In cereals (Poaceae) pollen grains retain viability for around 30 minutes.
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