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Thread: South African Droserae

  1. #129

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    I got seed via a friend of D. affinis from Kew Gardens, and this too proved to be D. spatulata to my eye. I don't think many folk are aware of what D. affinis is supposed to look like, so I am not surprised the nursery had it wrong. May times it isn't a case of outright deception, but rather of trusting ID's that haven't been confirmed by a reasonably adept taxonomist.
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  2. #130

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    I too have what is supposed to be Drosera affinis growing, but the seedlings are too small yet to make any judgement - they do at least seem to be too slow growing for D.spatulata, so there maybe hope yet! [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img]

    If it does turn out to be true D.affinis, I'll let you know and distribute the seeds ( assuming they make it to maturity ok! ).

    Also, unfortunately, whilst I still think it's a bit too soon to be certain, my seedlings of Drosera venusta obtained from the ICPS seedbank last year appear to be possibly a form of D.spatulata (although I can't be certain yet). [img]http://www.**********.com/iB_html/non-cgi/emoticons/sad.gif[/img]
    Kind regards,

    Adam.
    Wales, UK [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img]
    I'm mainly interested in Drosera, Dionaea & Aldrovanda, Hardy Orchids (esp Dactylorhiza), Arums and Ericas (Heaths/Heathers - European + S.African)

  3. #131

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    Good luck with the D. affinis. This is an upright form, not a rosetted sundew, so if your plants are "wheel like" they aren't the correct species.

    D. venusta shows it's semi-upright form early on as well, so if the leaves are paddle shaped and low lying, it is not D. venusta.

    My real question now lies with my D. communis, which is a rosetted plant. To my eye is looks very like D. spatulata, but I have been strongly assured that it is not.

    I have my fingers crossed!
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  4. #132

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    Tamlin: that's a thing we, serious drosera fans, must get every so often... 'keep our fingers crossed' [img]http://www.**********.com/iB_html/non-cgi/emoticons/wink.gif[/img]

  5. #133

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    Thanks for the info Tamlin - from the pics I've seen of D.affinis, it looks a bit like a S.African stem-forming version of D.anglica, to me at least! My seedlings are I think still too young yet to show any upright habit (some only their first 3 or 4 leaves yet, and still very small), so it's too early to tell - I got them from a usually reliable source, so fingers crossed!

    Unfortunately it looks like my D.venusta probably isn't, although I'll reserve judgement until next year.
    Kind regards,

    Adam.
    Wales, UK [img]http://www.**********.com/iB_html/non-cgi/emoticons/biggrin.gif[/img]
    I'm mainly interested in Drosera, Dionaea & Aldrovanda, Hardy Orchids (esp Dactylorhiza), Arums and Ericas (Heaths/Heathers - European + S.African)

  6. #134

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    Hi all,

    I didnot visit this thread for a while but want to add my two cents:
    Greg, you are right that between plants of the correct and published name D. venusta and the invalid "D. coccicaulis" you can find some differences. The same thing as discussed above: Plants are of different collections. But in my eyes the differences are not big enough to separate it as new species. (I know I owe you more than one Email, hope to do it the next days)

    D. affinis: I am sure that all plants sundewmatt has distrbuted the last time are absolutely correct labelled D. affinis. I have never had a plant like that before and I can find differences between D. affinis, D. madagascariensis (all three forms I grow) and even with the recently described D. longiscapa.

    D. glabripes: The photo Martin published in this topic a while ago shows the real thing, the plants were grown from Allen Lowrie seed by a good friend of mine. I am growing D. glabripes that were brought to Europe from South Africa as seedlings two years ago with exactly the same shape/appearence.

    The discussion on D. cuneifolia/D. admirabilis: It is always the same with taxonomists: Taxonomy depends on where you are sitting and what you are believing. The old example is that all Nepenthes/Sarracenia known so far can be cross-pollinated and give fertile hybrids. So after the law: "All whats is aggregating and copulating belongs to a species" make them one species if you want or let it be.
    But if you are the opinion that distinct, clear visible morphological signs indicate two species you should allow D. cuneifolia and D. admirabilis to be two species. Some of the differences are shown in the excellent CPN-article.
    Also you should know that D. admirabilis of course is known from different locations and collections. But one (for me) one of the most interesting features is that the flower colour of the HOLOTYPE plants is differnet to all other plants I know so far. Paul Debbert once told me that after he had described the plant he was never able to relocate the HOLOTYPE site again. So in cultivation one can find plants with a lilac (violet?) flower colour and others with a much more pink flower colour.

    Stefan

  7. #135
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    Tamlin and others. A plant had come up with one of my South Africans. I moved it quite a while ago and do not remember which one it was with. I can tell you that it is not the same plant as the one it was near. That older plant was a rosette and this one is on a short stem, with smoothly dipping short stemmed petioles . I do not have a camera that will properly handle it, but I think I can get a picture in your minds. The leaves look like that of a young rotundifolia (paddle?), but not a rosette. It is a slow grower or does not grow large. I have had it for three to four months and its width is still under an inch. The tips of the tenticles appears to be red. The plant is green, leaning torward an olive. I thought that it might be a madagacariensis, but the leave are persistant in their shape and not becoming like those of the madagacariensis. I also looked at the plant Tamlin IDs as a young madagacariensis and they are not the same. The leave are also fairly close to the stem and there are much more of them than with my madagacariensis. I will get a picture as soon as the new camera arrives. It is unlike any other plant I have.
    I am just like a Super Hero, but without the power or motivation.................and the funky suit.

  8. #136

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    Copper,

    The plant is likely to be D. nidiformis, it fits the bill and there aren't all that many Drosera that take this form. D. nidiformis is a ready self seeder and self sower in my collection so if you flower it it will be there to stay in your collection.
    "Grow More, Share More"

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