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Callas grow from corms or rhizomes?

Posted by willfrost (My Page) on
Fri, Feb 26, 10 at 23:16

Hello all,

While reading about calla lilies at various sites on the internet, I've noticed that people keep saying they grow from rhizomes. Personally I feel that what they come from more closely resembles a corm. What's your opinion? If you've got an argument for rhizome over corm, I'd like to hear it.
Thanks in advance,


Follow-Up Postings:

RE: Callas grow from corms or rhizomes?

Calla palustris - rhizome
Zantedeschia (aka Calla) - corm The ones with the spotty leaves and coloured flowers.

RE: Callas grow from corms or rhizomes?

I disagree :-) Callas are aroids and the root structure of any aroid is a rhizome.

It is sometimes pretty easy to confuse the two terms and they are often used interchangeably. The difference is that corms have a papery tunic - rhizomes do not - and corms reproduce or develop cormlets whereas rhizomes just spread or enlarge. They can be cut or broken into chunks for propagation.

RE: Callas grow from corms or rhizomes?

Thanks for the info guys, I appreciate it. Just for clarity, I was referring to Zantedeschia.

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