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Aerangis distincta

This is a discussion on Aerangis distincta within the Orchids of Other Genera IN BLOOM forums, part of the Orchid Photography category; Another of my collection in this African/Madagascan genus. Long spurs, presumably with some drops of ...

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  1. #1
    Dorsetman's Avatar
    Dorsetman is online now Senior Member
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    Default Aerangis distincta

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    Another of my collection in this African/Madagascan genus. Long spurs, presumably with some drops of something at the very end which is quite irresistable to some specific moth. I did not measure the spurs when I brought the plant in to take the pictures, but at a guess 7 or 8 inches long.The flowers perhaps 2 inches or so in spread; the plant is in a 5 inch shallow pot for the purpose of flowering only - it grows on cork bark, no compost, hanging up in a shady damp part of the greenhouse, but I move it across to a drier part whilst in bud - some of its relations have had spikes damp off when left in the growing place for for flowering.
    Most of the species in this genus seem to be very similar, just differing in size of flowers and of plants - but none the worse for that, and although they seem to flower at the same sort of time ( around now) I have had a succession of different ones, and with more still in bud, maybe the flowering season will extend over 3 months, so it is worth growing more than one of them.
    Hope you like it, I do.

  2. #2
    Chris1140's Avatar
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    Interesting species...nice bloom.

  3. #3
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    Very pretty. Angraecoids are quite scarce here and those available are very expensive.

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    Quote Originally Posted by catttan View Post
    Very pretty. Angraecoids are quite scarce here and those available are very expensive.
    My Aerangis came from a nursery in Italy which has quite a good range of interesting stuff which they sell at reasonable prices, by European standards , although some of their hybrids have names which don't exist, and even their species names have to be checked out. But yes, Angraecoids are not very common anywhere I think.

  5. #5
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    Very interesting. The bloom reminds me so much of a sesquipedale, I wonder if the mooning moths are similar. Why do you think it's called an Aerangis instead of an Angraecum (although I realize that Aerangis is included in the Angraecoid species.

  6. #6
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    Quote Originally Posted by mauraec View Post
    Very interesting. The bloom reminds me so much of a sesquipedale, I wonder if the mooning moths are similar. Why do you think it's called an Aerangis instead of an Angraecum (although I realize that Aerangis is included in the Angraecoid species.
    A little taxonomy , which I know that you will like (?) Maura..
    Rob Dressler did a great job of producing ( yet another) classification of all the orchids, about 2005 , and produced a masterwork ( which is such heavy reading that I gave up on it, and donated to a library in need ); but he divided all the orchids into 5 tribes, 11 alliances, and ( from memory) 33 sub-tribes. Whenever I look at it, it all makes great sense - which the previous different classification schemes did not always manage. Nature does not fit neatly into man's pigeon-holes.
    All the monopodial orchids fill one tribe, called The Vandaea. This is divided into 3 sub-tribes , the Aerides lot (Aeridiniae) ; the Aerangis lot (the Aerangisiniae) ; and the Angraecum lot - you have guessed it - the Angraeciniae. The usual rules apply. Everything in one sub-tribe is related closer to everything else in that sub-tribe , than to anything in the other sub-tribes, and so on. But all of the the three sub-tribes are closely related to lesser degrees. The nectar ( or sometimes pheromone - sex lures !) in the bottom of the spur occur to some extent in all three sub-tribes. Consider Ang. sesquipedale - Darwins Comet orchid, the Aerangis I have been showing, and then even Neofinetia falcata or any of the Ascocentrums - in the Aeridiniae - which contains the actual Vandas too.
    Generalisation - all the white orchids are pollinated by night-flying things ( nature does not let plants waste energy producing expensive colour substances which are not needed). All white orchids rely on scent to be discovered by their pollinators ; most moths are night flying ( most butterflys are day flying); most moths have amazing scent detecting substances. One of our British natives is said to be able to detect 2 or 3 molecules of the secnt it favours at a distance of 2 miles. Quite unimaginable to us poor earth-bound semi-blind animal forms called homo sapiens.
    I do talk too much...

    Regards
    G

    ;

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    Thanks Geoff for the very interesting bit of info on the Angraecoids. It is also quite interesting that Angraecum is derived from the Malay word 'anggerek', the name for 'orchid', which is actually not surprising as the people of Madagascar belong to the Malay/Polynesian ethnic community. As for Aerangis, if I remember correctly from some book I read a long time ago,it is derived from a Greek word meaning 'vessel' alluding to the long spur that contains the nectary. On the second point I stand ready to be corrected.

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    No, Geoff, you most certainly do NOT talk too much - you have too much pertinent information to be guilty of such a charge. As for the Angraecoids and their taxonomy, for Christmas last year, I gave Phillip Angraecoid Orchids Species from the African Region (2006), text by Joyce Stewart, with photos and exploration by Johan Hermans and Bob Campbell as well. Ms. Stewart gives credit to Robert Dressler, as well as many others, including the seemingly ubiquitous Mr. Cribb. Beautiful photos, and, apparently, the 3 discovered many new Angaecoids during their preparation for this dense text.

    I do believe that taxonomy exists for the sole purpose of obfuscating what is otherwise quite clear. In Joyce Stewart's rundown, the Angraecoids comprise two sub-tribes: the Angraecinae, and the Aerangidinae. The Aerides, which I do understand from you to be a sub-tribe of the monopodial tribe Vandeae are completely left out - presumably because they hail from Asia and Australia????

    I have read this tome (mostly, I confess, for the photos), and refuse to venture any further into this taxonomic morasse. It reminds me of the much-despised Venn diagrams that we had to learn in grammar school, and the so-called "Logic" section of the Law School Admission Test. These two instruments of torture center on the basic premise that 1) All men are primates; 2) All gorillas are primates, therefore 3) All men are gorillas. This postulation is only saved by virtue of the fact that it refers only to the male gender, and therefore is arguably true.

    But I digress, regress, fail to progress, and therefore, make for the egress....

    So much for Angraecoids: I can't grow them, anyway.

  9. #9
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    You gave me a smile when I needed one ; thanks Maura ( it has not been a good week...).

    Joyce Stewart only intended to cover the two African sub-tribes in that book. It is a question of how far one can possibly go in one volume. The omitted sub- tribe- the Aeridiniae is much the larger of the three, containing over a thousand species - more than the Angraecums and Aerangis put together.

  10. #10
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    I love the long spurs on these Aerangis orchid blooms. So elegant and beautiful.

    cheers,
    BD

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