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Dendrobium thyrsiflorum (sib cross)

This is a discussion on Dendrobium thyrsiflorum (sib cross) within the Cattleyas, Vandas, Dendrobiums IN BLOOM forums, part of the Orchid Photography category; Originally Posted by zainal abidin Geoff your clone is from which country? as my flowers ...

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  1. #11
    Dorsetman's Avatar
    Dorsetman is offline Senior Member
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    Geoff Hands
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    Quote Originally Posted by zainal abidin View Post
    Geoff your clone is from which country? as my flowers was different from yours mine all the lips orange color but yours is different still can see white at the edges? Or maybe mine is other species?
    Attachment 65450
    My plant came from Taiwan, as a sib cross seed-raised plant. I see that in the wild, Chinese Himalayas, and Hainan China are listed, as some of the places where it is found, but I expect the parents were imported into Taiwan from somewhere or other.
    I have done my homework on this - spurred on by you ! - and find that in the section Densiflora of Dendrobium genus there are generally accepted to be 3 different species here . D.densiflorum, D.farmeri, and D.thyrsiflorum. All the other possibilities, e.g. D.palpabrae, are just synonyms , or the plants are more distinct in other ways - e.g. griffithianum stems are very different, and so on.
    D.farmeri is always shown as having flowers like mine, but the bulbs are four angled - square - at their upper parts.
    D.thyrsiflorum is sometimes illustrated having flowers like mine ,e.g. in Wikipedia, and in some Australian sites - but this is no guarantee that it is right. It is also said to have club shaped bulbs, which I take to mean indian club, thin at the base, tapering outwardly to thicker, 2/3rds of the way up and then slimming down towards the top. My bulbs are not like that.
    D.densiflorum is always - in the illustrations I have found, shown as having all yellow flowers, although sometimes two-toned yellow - darker lips ; it is also said to have multi-angled stems - a good description of my plant.
    D.thyrsiflorum is sometimes called - or mixed up with ? D.densiflorum var.albolutea or var album.
    I think that my plant probably is this last one - either the album or albo-lutea form of D.densiflorum.
    Yours appears to be the real thing - D.thyrsiflorum.

    I will send an e-mail to the supplier about this and see where I get to. I'll let you know.

  2. #12
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    Zainal Abidin Bin Othman
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    Quote Originally Posted by Dorsetman View Post
    My plant came from Taiwan, as a sib cross seed-raised plant. I see that in the wild, Chinese Himalayas, and Hainan China are listed, as some of the places where it is found, but I expect the parents were imported into Taiwan from somewhere or other.
    I have done my homework on this - spurred on by you ! - and find that in the section Densiflora of Dendrobium genus there are generally accepted to be 3 different species here . D.densiflorum, D.farmeri, and D.thyrsiflorum. All the other possibilities, e.g. D.palpabrae, are just synonyms , or the plants are more distinct in other ways - e.g. griffithianum stems are very different, and so on.
    D.farmeri is always shown as having flowers like mine, but the bulbs are four angled - square - at their upper parts.
    D.thyrsiflorum is sometimes illustrated having flowers like mine ,e.g. in Wikipedia, and in some Australian sites - but this is no guarantee that it is right. It is also said to have club shaped bulbs, which I take to mean indian club, thin at the base, tapering outwardly to thicker, 2/3rds of the way up and then slimming down towards the top. My bulbs are not like that.
    D.densiflorum is always - in the illustrations I have found, shown as having all yellow flowers, although sometimes two-toned yellow - darker lips ; it is also said to have multi-angled stems - a good description of my plant.
    D.thyrsiflorum is sometimes called - or mixed up with ? D.densiflorum var.albolutea or var album.
    I think that my plant probably is this last one - either the album or albo-lutea form of D.densiflorum.
    Yours appears to be the real thing - D.thyrsiflorum.

    I will send an e-mail to the supplier about this and see where I get to. I'll let you know.
    Thanks Geoff very informative wonderful explanation.Zain.

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