Flower buds on a silver maple

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Flower buds on a silver maple (Acer saccharinum, Aceraceae) photographed 03/12/2013 near Palmyra, Michigan.

Here in southeast Michigan one of the first signs of spring is the appearance of flower buds on silver maples (Acer saccharinum, Aceraceae). In late February the buds become apparent when they start to swell and turn a vibrant red color. They’re especially noticeable on clear days against blue skies, as shown above. The flowers eventually open in late March or early April, and soon after pollination they develop into the paired winged samaras (helicopter seeds) characteristic of many maples. Nascent leaves begin to unfurl at around the same time.

Silver maples are largely wind-pollinated, but their relationship with pollen-dependent insects is also important. Since these trees are among the first to flower in the spring, they provide an early and much-needed pollen source for newly-emerging bees and other insects. Although silver maples don’t require insects for pollination, a little assistance doesn’t hurt.

Native to moist environments throughout much of eastern North America, silver maples are particularly common here in extreme southeast Michigan. The ancient glacial lake bed and river floodplains provide ideal habitats for them to thrive.

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About Jeremy Sell

Science and nature nerd.
This entry was posted in Botany, Ecology, Entomology and tagged , , , , . Bookmark the permalink.

2 Responses to Flower buds on a silver maple

  1. I didn’t know this info and we have a big one in the yard..I will have to go out with my camera when it warms up..I leave the dandelions for the early pollinators too and plant for them as much as I can…Michelle

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  2. Great post! We used to have a Silver Maple on our property

    Like

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