Forum Topic

  1. Spider? Orchid id

  2. 15/02/2015 1:18:58 p.m. Catriona Gower

    Hi,This orchid was growing around Lake Wilkie, Tautuku in a patch of about 1m2. The leaves seem distinctively Spider Orchid type however the tall stem isn't. It is in seed of course which doesn't help but any suggestions very welcome. Apologies for the photo quality: my camera doesn't really do macro! Catriona

  3. 15/02/2015 6:13:05 p.m. Peter de Lange

    A Corybas (Nematoceras) - but beyond that I am not prepared to say what species as it could be C. iridescens, C. macranthus, or even C. orbiculatus - you really do need to see the flowers to be certain

  4. 15/02/2015 6:36:58 p.m. Catriona Gower

    Many thanks Peter. The item I am puzzled by is that they have such tall flower stems: do the stems extend after flowering, perhaps to aid seed dispersal? I saw N. macranthus in flower another area (near Tautuku boardwalk) and the pods were on the same short stems when they developed. It did have more light in the area unlike this one which may also be a factor I guess.

  5. 15/02/2015 9:04:12 p.m. Peter de Lange

    Hi. Yes the seed heads elongate greatly during their maturation. All to get them up into the airstream I suppose. Those of C. cheesemanii can get over 30 cm long! But yes it can vary by site and species though as a rule they all do this. Cheers

  6. 15/02/2015 9:48:48 p.m. Catriona Gower
    (Non-member from Clutha District)

    Many thanks for explaining that. These were about 20-25cm long.

    Out surveying tomorrow again so will keep my eyes open for the different species.
    Cheers
    Catriona

  7. 23/02/2015 1:04:18 p.m. Peter de Lange

    Incidentally Bill Campbell has told me he thinks your Corybas is Corybas (Singularybas) oblongus - he may well be correct.

  8. 23/02/2015 5:45:48 p.m. Catriona Gower

    Thanks. I think it is more likely to be a Nematoceras trilobium from the leaves however C. oblongus does occurr there too.
    I did note that many of the spider orchids had extended stems when I went out last week.
    Cheers, Catriona
    (I am a member of NZPCN by the way, not sure why it lists me as non-member)

  9. 24/02/2015 9:14:23 a.m. Matt Ward

    Hi Catriona, I think that if you respond to a chain on the forum without logging in it may record you as a non-member.

  10. 24/02/2015 12:48:10 p.m. Catriona Gower

    That would make sense! Thanks Matt.

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