What is this!

Some fun for the hard working botanists and green fingered. A sort of posting Quiz and educative posts. N-Joi...

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What is this!

Post by MWP admin »

This part of a plant. You have to say what is it and of which plant (Genus) it belongs!
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Stephen Mifsud
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Post by jackpot »

This is a pencil! :lol:
You penetrated with the lead the opening of an orchid flower. :lol:
Did you make the pic recently? If yes, the yellow thing (is called pollinium/pollinarium) is part of Orchis collina or Ophrys fusca!
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Post by MWP admin »

Bravo Jackpot, I cant make one quiz post which you say I dont know!! (So Far :twisted: )

Yes I learnt the terms and I made about 10 news pics including an anatomical one for Ophrys fusca profile in the website. I can add the pollination method.

The sticky part of the pollinuim called the viscidum (from viscuous in latin) will stick with the pollinator abdomen (possibly Andrena carbonaria)while it is in effort to copulate on the labellum. As robocar stated correctely, the pollinator puts his abdomen in the mouth of the flower.

Once stuck, the pollinium will be carried entirely by the flying insect - that is the whole 'stamen' detaches itself from the flower and is carried away. When the insect visits another flower. This will drop itself at the floor of the lip where there is the stigmatic cavity. Pollination is hence complete.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

I am also in contact with a certain Orchid semi-expert and mathematician = Mark Mast Maeght (Belgium) who gave me lots of info about Ophrys identification. He is also in contact with the one and only - Pierre Delforge who has released a very interesting book about identification and simple keys of the Orchids of the Mediterranean. The name of the book is not exactly like that and can be easily traced by searching 'Delforge' on Amazon.com.

The book is a 450 page hard back and costs only about 30 Dollars from Amazon. At the moment only the French version is out, while the English will be with us in April May.


Anyway, I learned that at this early moment in time, most Orphys fusca are actually O. mesaritica of the iricolor group. This group is identified by having ridges (vertical plataeus) at the edge of the lip end near the mouth of the flower.

It is mesaritica becasue it is the one which flowers early (Jan-Feb) in this group with the possible exception of O. iricolor which however have a violet/purple colour at the underside of the Lip (greenish for mesaritica)

Well hope you likeked my little lecture.


Jack, you should really visit the profile of Oprys fusca if you have not realised about it (always keep an eye on the news section of the forum)

The profile link is Here...
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Post by jackpot »

ok- I will (the attached pic is not from Malta- just for fun). :lol:
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Post by IL-PINE »

Heh, nice fly :)
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Post by MWP admin »

As if the fly have seen its sex idol - and its eye banged out ! Jokes apart, really nice (and rare) pic. Thanks for sharing. It explains all my words about pollination.
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Post by jackpot »

In fact, it was a dead and dry housefly collected from my windowsill, and used it, as you did, MWP, instead of your pencil! Students never will forget the pollinating-system of orchids (I hope- :twisted: ). However- there are some fairy tales with the sex of male insects... there are several orchid flowers which are not really similar to an insect... In contrast, I would assume that my face has similarities with that of the fly :lol: (hopely, my kids will never read this :lol: :lol: :lol: )
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Post by MWP admin »

LOL!!

I think you are in a very good mood today jack!

Good idea with the fly - such a photo is as rare as a diamond to encounter in life.
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Post by IL-PINE »

:lol:
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