WAKEMAN'S WHITE BIRCH NURSERY
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SPRING HORTICULTURE
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The evolution of flowers is complex and not totally understood.

6/9/2019

 
Picture
Trollius globeflower bud opening
Picture
A tad more open with cage-like bars developing to keep out unwanted pollinators
PictureComplex color and flower morphology designed to attract which insect, and why?

I just found the answer. Trollius evolved over hundreds of thousands of years in synch with a species of fly called Chiastocheta. The structure of the trollius flower is designed to keep larger pollinators like bumble bees out of the flower so the tiny fly is the only one who gets in. The adult fly is the one who does the pollination. The juvenile larvae is teentsy, and feeds on the seeds of trollius after pollination. Isn't that weird? The flower is designed totally around letting only one species of insect pollinate it, insuring it's survival... then the offspring of that very same insect eats half of the seeds produced. Kinda makes no sense, but there is certainly an evolutionary reason for this but we humans cant figure that out yet.

I just thought that I would add some interest to some of the perennials that we sell so people look at them and see more than "It's such a pretty flower!"
Everyone knows the ant/peony relationship exists because the peony feeds the ants as a reward for killing each insect that dares to threaten a peony plant when it is flowering. This relationship took millions of years to develop. The ants help to open the flower buds and the plant feeds the ant colony with sugary sap. How do the ants know to go to a peony plant?

Why isn’t this little bee/fly killed by the protector-ants while I took this picture? Did the ants know the bee/fly was helping the peony and not hurting it?

​These and other questions add an entire world of intrigue to the complicated world of flowering plants.
Picture
Perennial geranium flower seems to guide insects to the center of the flower with dizzying veinal patterns pointing the way. Stare at this flower long enough and your head will explode. Each maroonish vein looks like a tall leafless tree backlit by a Martian sun.
Picture
Campanula flowers have a come now, come all strategy- a no holds barred pollination available to any insect that likes violet blue. Nothing to hold on to so I guess a bug has to hover and fly during pollination.
Picture
New cultivar of ‘gaura’ that attracts pollinators with the colorful backsplash of four brachts and nothing below for a pollinator to cling to whilst feeding on nectar. Again I ask: Why, for whom, how long did it take to evolve? Mankind does not know the answers to the evolution of most of the species we share this earth with, even as these species die off because of our lack of respect/knowledge for them.
Picture
Lucky monarchs having fun on a blueberry plant today.

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  • Home
  • Wildflower meadows as an option to toxic lawns
  • How To Grow Birches
  • How to Save The Monarch Butterfly
  • FALL HORTICULTURE
  • Planting
    • Products >
      • Shrubs >
        • Trees
      • Bulk Mulch >
        • Firewood
      • Topsoil
      • Perennials
    • Feeding
    • Watering
  • Veggie blog
  • fall 2018
  • Frequently Asked
    • About
  • Surfing
  • Gallery
  • Summer Horticulture
  • spring horticulture
  • noteworthy plants
  • Planting