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Posted on 30 May 2009 by

Brassica Oleracea – One Species With Many Faces

kale1By Vanessa Richins

As I proudly proclaimed to everyone, I’m a garden geek.

There are so many cool facts you can learn about the plant world that are quite surprising.

I think it makes gardening itself much more fun.

One of my favorite facts:

What do broccoli, Brussel sprouts, cabbage, cauliflower, collards, kale and kohlrabi have in common?

They are all the same species.

How can that be possible, you ask? All of these plants are too similar, as far as genetics go, to be sorted out into their own species.

Botanists sort out all the different plants according to how closely they are related. It starts with the Kingdom (which includes all plants) and gets more specific, down to the individual plant level of the Species. The levels of classification for these vegetables are all:

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