Any ideas...rebutia or sulcorebutia or..??

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pleun
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Any ideas...rebutia or sulcorebutia or..??

Post by pleun »

I wonder what species this is, any suggestions ??
Image.
Best regards,
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Stuart
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Re: Any ideas...rebutia or sulcorebutia or..??

Post by Stuart »

Rebutia - but as for the species - possibly Marsoneri? Any other suggestions for the species name?
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ralphrmartin
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Re: Any ideas...rebutia or sulcorebutia or..??

Post by ralphrmartin »

Yes, I'd go with Rebutia marsoneri, although the spines are quite like some forms of Rebutia violaciflora (but clearly the flowers are not purple!).
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DaveW
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Re: Any ideas...rebutia or sulcorebutia or..??

Post by DaveW »

I found one similar on the Internet, but never come across that variety of marsoneri before. It certainly is not the normal Rebutia krainziana. Of course many species are variable in habitat, therefore the clones we normally grow can often be untypical of the range of habitat variation so new introductions may vary.

http://forums.gardenweb.com/discussions ... krainziana

http://public.fotki.com/samsine/kakteen ... eri-1.html

There are lot of misnamed plants on the web and no doubt in collections too. Plus plenty of unintentional hybrids when people set seed from their own plant in mixed collections without isolating them before flowering to avoid the chance of cross pollination from other compatible species flowering at the same time by flies or bees etc. Also of course using the same pollinating brush throughout the collection order to set fruit.
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ralphrmartin
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Re: Any ideas...rebutia or sulcorebutia or..??

Post by ralphrmartin »

However, true Rebutias (i.e. not Aylosteras, nor Sulcorebutias) are typically self-fertile, and in my experience, usually produce seedlings identical to their parents - certainly when they pop up around the parent plant.

Rebutia krainziana is a very different plant. The "typical" form of it has snow-white areoles, very short spines, and red flowers, although there are other forms with yellow flowers etc. See the first picture here:
http://www.cactus-art.biz/schede/REBUTI ... nziana.htm

Dave is certainly right that there are a lot of wrongly named photos on the web.
Ralph Martin
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Members visiting the Llyn Peninsula are welcome to visit my collection.

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pleun
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Re: Any ideas...rebutia or sulcorebutia or..??

Post by pleun »

Thank you all for your response ;)
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