Morning Glory Colors

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Xeramtheum Summerville, SC(Zone 8a) Sep 26, 2007

After seeing three morning glory’s which at first glance look exactly alike in shape and coloration, Ipomoea triloba, cordatotriloba and grandifolia but aren’t I began to wonder about mg colors. I found an interesting article about the evolution of mg colors. The earlier colors were blue/purple and that red came later.

Morning Glory Colors Reveal Why Evolution is Stuck in 'Forward'

http://www.nsf.gov/news/news_summ.jsp?cntn_id=100369

The red occurred to attract different pollinators such as hummingbirds.

The three above are pink flowers with red throats .. definitely a hummingbird magnet. So the question is, since hummingbirds only are found in the Americas, will you find naturally occurring pink with red throat morning glory in the old world?

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ByndeweedBeth scio, oregon, OR(Zone 8a) Sep 26, 2007

Great article! If we understood more about anthocyanins we'd have the key to MG color.
Also makes me wonder about C. equitans, white with a red throat. It is a small new-world flower...is it trying to attract hummingbirds?

This message was edited Sep 26, 2007 12:49 PM

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