Happy holidays.

I have these 3 Crassula plants, first two I know the ID, but the last one I can not find any information on the net. Appreciate any hints, thanks a lot

1. Crassula arborescens (or Silver Dollar Tree)

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2. Crassula arborescens ssp. undulatifolia (Blue bird)
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3. What is the folowing one called. (the leaves are not round as the silver dollar tree, the leaves are not wavy as the blue bird. Or it is the older version of blue bird?)

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Eidt to add a link:

http://crassulaceae.net/crassula/43-speciescrassula/1124-crassula-arborescens-ssp-arborescens-c-arborescens-ssp-undulatifolia-and-c-blue-bird

This post was edited by greendale on Wed, Dec 24, 14 at 11:15