Stelis trichostoma

Discussion in 'Non-Slipper Orchid Photos' started by naoki, Oct 13, 2017.

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  1. Oct 13, 2017 #1

    naoki

    naoki

    naoki

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    I got this plant from Ecuagenera in spring 2017. It is superficially similar to S. cypripedioides, which also has the "slipper". So I read a little bit about these two species, and put what I learned in my Orchid Borealis blog post (link). I'm not completely sure whether the white haired ones, which is frequently called S. cypripedioides, is a color variation (this species is supposed to have bright purple hairs) or a miss-ID.

    If you are interested in inside of the slipper, I put quite a few photos of dissected flower in the blog post. It has a hinged lip.

    [​IMG]
    Stelis trichostoma on Flickr

    [​IMG]
    Stelis trichostoma (plant) on Flickr
     
  2. Oct 13, 2017 #2

    Ozpaph

    Ozpaph

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    you have some intriguing plants
     
  3. Oct 13, 2017 #3

    blondie

    blondie

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    Very nice
     
  4. Oct 14, 2017 #4

    SlipperFan

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    That sure is fuzzy! Is this one of the so-called toilet bowl orchids?
     
  5. Oct 14, 2017 #5

    abax

    abax

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    If I was a pollinator, I'd find this flower utterly fascinating.
    It has that come hither look.
     
  6. Oct 14, 2017 #6

    naoki

    naoki

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    Yes, the flowers look like tiny toilet bowls! Stelis pilosa (=Pleurothallis amparoana, IOSPE) looks most toilet-bowlish because it is pale. Stelis cypripedioides (IOSPE) has a deeper bowl than S. trichostoma, so it is also closer to the toilet bowl.
     
  7. Oct 15, 2017 #7

    Mark Karayannis

    Mark Karayannis

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    Interesting species
     
  8. Oct 15, 2017 #8

    Secundino

    Secundino

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    Lovely!
     
  9. Oct 15, 2017 #9

    NYEric

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    These are Stelis now?! Thank you Mr. Leur. :rolleyes:
     
  10. Oct 16, 2017 #10

    naoki

    naoki

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    Luer doesn't like the giant group Stelis. He would put it in Effusiella, I think (I haven't confirmed this). We currently don't have enough data to divide giant Stelis into smaller genera, so many people are taking the position that lumping them together is a safer/easier route at this moment. With more data, it could change into more manageable divisions.

    Here is a recent overview:

    Karremans, A.P., 2016. Genera Pleurothallidinarum: an updated phylogenetic overview of Pleurothallidinae. Lankesteriana, 16(2), pp.219-241. (Link to abstract, but I think full PDF is available from the link in there).

    Here is one more focused on broader sense Stelis:
    Karremans, A.P., Bakker, F.T., Pupulin, F., Solano-Gómez, R. and Smulders, M.J., 2013. Phylogenetics of Stelis and closely related genera (Orchidaceae: Pleurothallidinae). Plant Systematics and Evolution, 299(1), pp.151-176. (PDF, I think this is available to anyone).
     

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