Rudbeckia/black-eyed susans

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NDFarmgirl Page, ND Aug 12, 2008

Are Black-eyed susans Rudbeckia? Are Coneflowers? I am filling in some of my journal and not sure what to put as categories, subcategories. I have Blackeyed Susans, Hot Chocolate Rudbeckia, Green-eye/Prairie Sun Rudbeckia, Coneflowers. etc., are these all the same?

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DaleTheGardener Tampa, FL(Zone 10a) Aug 12, 2008

There are common names, like Black-eyed Susans.

And there are botanical names, like Rudbeckia.

Rudbeckia is the genus name, then they have a second name like Rudebeckia hirta, and they sometimes they are a variety name like 'Prairie Sun'.

Conflowers are Echinacea, Rudebeckia (your black eyed susans probably) and many other flowers have both common and botanical names. Takes time to learn the difference.

Wikipedia may help http://en.wikipedia.org/wiki/Botanical_name explain it better.

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Post #5405730
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RosemaryA Toronto, ON(Zone 5b) Aug 14, 2008

Black-eyed Susan is the basic wild form of Rudbeckia hirta: http://davesgarden.com/guides/pf/go/25/
'Hot Chocolate' is a specific cultivar of the same species (Rudbeckia hirta): http://davesgarden.com/guides/pf/go/129813/
'Prairie Sun' is another cultivar of Rudbeckia hirta: http://davesgarden.com/guides/pf/go/54909/

There are a few plants known as coneflower:

Eastern purple coneflower is Echinacea purpurea http://davesgarden.com/guides/pf/go/54909/
grey-headed coneflower is Ratibida columnifera http://davesgarden.com/guides/pf/go/801/
yellow coneflower: Echinacea paradoxa http://davesgarden.com/guides/pf/go/53622/
pale coneflower: Echinacea pallida http://davesgarden.com/guides/pf/go/27/
etc. etc.



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