Hoffman Park

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Thumbs up Gray Birch Catkins (Betula populifolia)

Gray Birch Catkins (Betula populifolia)

A cluster of flowers that forms a long, skinny, caterpillar-like shape is called a "catkin." Catkins are typical of aspens, willows, oaks, birches, butternuts, and walnuts. Male catkins are about an inch long. Small seeds, or samaras, that make...

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