Vine, Yellow flower maybe an Ipomoea?

Discussion in 'Plants: Identification' started by Colombia, Dec 1, 2011.

  1. Colombia

    Colombia Active Member

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    Vine, Yellow flower maybe an Ipomoea?
     

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  2. Silver surfer

    Silver surfer Generous Contributor 10 Years

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  3. Colombia

    Colombia Active Member

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    I do not think so. It looks different than what I show as a Merremia umbellata. For example the shape of the bud is very different.
     
  4. Tony Rodd

    Tony Rodd Active Member

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    For Convolvulaceae, features of the calyx, fruit and seeds, as well as the leaves are all more important than shape and colour of corolla for identification of genus and species. Photographs often fail to show these features.
     
  5. SusanDunlap

    SusanDunlap Active Member

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    If you widen your search to the genera, Merremia, you might find your plant. In addition to the floral information available in your image, consider leaf shape as well, as that will quickly narrow your search. I believe Convolvulaceae is the correct family - and can add that there are VERY few (if any) yellow flowered Convolvulaceae in cultivation in North America.
     
  6. lorax

    lorax Rising Contributor 10 Years

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    OP is in Colombia, Susan.... There are significantly more yellow-flowering Convolvulaceae in South America than you'd expect - it's a species diversity area.

    It's Merremia umbellata for me as well, which has zillions of synonyms (one of which is Ipomoea polyanthes....). It's not quite right to be Ipomoea ochraceae, which is the other close possiblity, but I associate that with a much lower-growing bine and with less intensely yellow flowers than the original photo suggests.
     
  7. Colombia

    Colombia Active Member

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    This is what I show as Merremia umbellata which looks different.
     

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  8. SusanDunlap

    SusanDunlap Active Member

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  9. Betelgeuse

    Betelgeuse Member

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    Try Ipomoea Peltata (or Merremia Peltata). I feel there are similarities.
     
  10. wcutler

    wcutler Paragon of Plants Forums Moderator VCBF Cherry Scout 10 Years

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    I know nothing about this, but shouldn't Merremia peltata have peltate leaves (with the petiole attached in on the blade, not on the edge)?
     
  11. Maximo Dalmau

    Maximo Dalmau Member

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    Well in the market there is a yellow variety: Ipomoea ochracea. =)
     

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