MWP Quiz 26

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

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MWP Quiz 26

Post by MWP admin »

It is not some red-haired crazy hippie :wink:
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Post by Sdravko »

really? it looks like a picture of myself. :lol:
proove its not my picture or ill sue you. :twisted:
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Post by robcar »

Yes, except for the reddish colour it could well be our friend Sdravko - when cliff hanging (or doing some other similar dangerous stunt in the name of botany) on a nice windy day, I bet he will look rather similar

Better to be joking to hide my ignorance :oops: - I have no idea what this is
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Post by MWP admin »

Robcar, but not the latest version of Sdravko!! He is more hirtellous rather than tomentose/hispid :wink:

Sdravko is taller too !!

Anyway, how can I help here... let me think :?
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Post by MWP admin »

Everyone gives up?
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Post by IL-PINE »

Palaeocyanus?
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Post by jackpot »

very good idea: The national plant of Wied Babu, after watching tourists! :lol:
MWP: looks like that we all need some hints in the case it is not Palaeocyanus...
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Post by MWP admin »

It has many long slender leaves. Nothing to do with Asteraceae! Fruits hard.
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Post by jackpot »

and it is female :wink:
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Post by RB »

Give us more... is it native or some cultivated hybrid between a toilet brush and a bad haircut, with shades of microphone?
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Post by MWP admin »

It seems you know it now JP!
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Post by MWP admin »

It's not native, but found in the wild. (=alien)
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Post by jackpot »

:D
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Post by RB »

gymnosperm?

no good at pines!
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Post by MWP admin »

It is :thumbright:
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Post by RB »

Casuarina equisetifolia
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Post by RB »

Where is it in the wild? Real wild as opposed to planted wild.
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Post by MWP admin »

Congratulations.

Yep wild (not garden, private house, building, urban., traffic islands, roads, etc) but real wild as much as Eucalyptus is in the countryside! So, it might be considered as alien.
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Post by RB »

Where? I am not sure even that we have naturalised Eucalyptus, they seem to seed rarely and any resultant seedling sprouts before summer and dies. I know, we have about 30 massive eucalyptus in the street and about 6 australian pine planted in the dirt, and on one side there are abandoned fields, and in many many years I have only ONCE seen a eucalyptus seedling and never of the aust. pine.

Remember these were planted all over the countryside, valley sides, by authorities, and plenty planted by hunters too, but I have yet to see one which looked self-planted.
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Post by MWP admin »

I just wanted to give an example to mean it was found in what looks to be (but not sure) a patch of planted trees in the countryside including eucalyptus, other pines, and a giant Euphorbia melitensis(?) (1.5m high, 2m radius) which was growing in complete shade under these trees !

I dont know if this f this particular Casuarina specimen was planted by hunters or naturally dispersed. I was in the area, came across this tree, took a photo (=some photos :) ), kept walking around, arrived home, found out the species, and then , (->THEN<-) it resulted to be an alien and of some distribution importance.

For short, when I say wild, I dont mean anything specific as indigenous, naturalised, escape etc - I simply mean that it is not in public gardens, parks, private houses, roadsides, etc.


Just for you case study Dr. Watson!
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Post by RB »

It seems my definition of "wild" is somewhat non-standard :wink:

Generally I would think of wild as being "native" "indigenous" or if alien, at least self-regenerating, reproducing > "naturalised".

Thus Oxalis makes it to my "wild" list but always with the "naturalised invasive" descriptor.

I feel a bit unhappy about labelling any plant/tree that is not in a garden or field as "wild".

Because this means that if someone were to plant something ridiculous like a Scindapsus aureus or any other, possibly even hybridised, house plant variety underneath a carob tree, then this could be called "wild". Hell, I could even plant a Saguaro.

At least one could refer to this as "planted in the wild" or "growing in the wild" but "wild" alone is something that does not seem to me at least appropriate as a description.

BTW last night I happened to look up the australian pine in Weber's, and very interestingly he states that this is actually an angiosperm.

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Post by jackpot »

yes, Sir, and he is right! :D
Casuarinales are close related to Fagales (that means that Casuarina equisetifolia is something like a brother/sister of Quercus ilex :wink:
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Post by MWP admin »

RB:
At least one could refer to this as "planted in the wild" or "growing in the wild" but "wild" alone is something that does not seem to me at least appropriate as a description.


note that it was what I exactly said in the begining
"but found in the wild"


It is difficult to draw the line for the real definition of "wild". I tried to explain what I meant by "found in the wild" as much as I could in this post and did not expect a case out of it! Maybe we start a discussion on the Open discussion topic instead this quiz.

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

What's more interesting was that I did not noticed that this tree was actually under angiosperms, despite the pine-looking gymnosperm appearance. Thanks and well done for the correct answer!
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Post by Sdravko »

the definition is easy: planted is the opposite of wild. no matter if you plant it in a
pot or in Wied Babu its not wild as long as it does not escape. unfortunately this one does.
the confusion with the systematic standing of the tree is normal. even the name of one of the most commonly planted sp is C. equisetifolia.
sorry for my bad english mwp, but as you know i came to Malta to learn better english. :laughing6:
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Post by MWP admin »

I am the least that I can accuse someone for bad English :oops:

I revise profiles 3-5 times and there are always Eng. mistakes. But let's face it, Scientists are not the fussy unless the communication is clear.

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

Lets take an example:

I (MWP) buy an ornamental tree 'xyz' from a nursery and plant it in my garden.

1)
A bird picks some fruit from xyz, flies to his nest, drops the seeds in a garigue in the south and a plantlet of xyz grows there.

2) My friend Joe takes a cutting (or fruit) from my xyz, plant it in the garigue near his birdtrap in the North, and a plantlet of xyz grows there.

3) On a heavy thunderstorm some seeds of xyz are carried by rain to a valley in centre region of Malta. The lucky seeds stood on fertile soils and a plantlet of xyz grows there.


Years pass, the poor bird dies, Joe dies (halleluljah) and the birdtrap site goes to ruins, but the trees are growing fine.

A certain pensioner Sdravo (who finally got a sponsor from M____), while Mapping the Maltese flora, finds 'xyz' populations in the North and in the South garigues and in a valley side at central Malta.

MWP, now in his late 60s, ask Sdravko - "Which is wild?"


Thank you for reading the story!
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Post by Sdravko »

well, since i know the story its easy to tell the answers.
the plant in your garden and the plant at joes bird trapping site are planted, so they are not wild. when the trapping site is abandoned but the plant continues to grow without propagating we usually refer to it as a 'relic of cultivation' like malus or musa in some valleys or coastal areas or like Anredera. (vines are a special chapter, they create such a mess of stems its hard to say which is a relic and which is propagating).
the plants dispersed by the bird and by the wind are wild. the fact that they might be alien, invasive or unwanted by someone bears no importance here.
so far the theory. but after some time its difficult to say which acacia was planted or which punica was brought by birds or by seed spitting hikers. so after 60 years your friend 'Sdravo' ( i will cripple your name in some publication, i promise :D ) might not be able to recognize which ind is wild and which not. he might well bring his axe to solve this academic problem forever and obtain some firewood (caves are cold).
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Post by RB »

Classy! hehehehe you split my sides!!
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Post by MWP admin »

I agree with your explanation 100% and thank you for putting yourself in the scenario I created. For me it is easier to understand by example.

2 Other questions:

1)
If the tree that Joe planted propagtes itself to make a small population, will those offsprings be classified as wild (naturalised) or not ?

2)
If Joe had sown some seed instead planting a twig or cutting, will the new tree be considered wild then?


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

OK, fortunately and hopefully you comprehend my difficulty to determine if a tree (or plant) in the bare countryside can be classified as wild or not. Should it be anyone's difficulty afterall!?

So the Casuarina could be wild ! No one can know it got there (only by logic assumptions maybe). I have the feeling that several decades ago, there was no control and record of planted trees and plants, so it makes life of botanists much more difficult!

It was interesting to raise this question!
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Post by Sdravko »

ok, i amend my definition. if its planted or sown its not wild.
if a planted or sown plant propagates by itself and if its offspring creates offspring of its own its classified as naturalized. the theory is quite simple but try to proove which is the offspring of the offspring of the tree your deceased friend planted. take suckers or plants which propagate by broken joints like cacti and you can get crazy (although you need to be crazy to begin with if you became a botanist).
as you sayd, not everybody keeps records of what is planted so often we have to guess. if you take old plants in walls with a lot of seeds and young plants around them and then you call the sp naturalized you are on the safe side. if you are not lucky enough to get a wall (a purely hypothetic situation in Malta) you should always exclude the possibility of the pop being planted or decide if there is enough 'wild' :lol: looking offspring to call the pop wild.
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Post by MWP admin »

One thing I find strange in the whole picture is that, as you exemplified, if Punica granatum is dispersed by Erithacus rubecula (robin) the new plant is considered as naturalised/wild while if it is 'dispersed' (spit or sown) by homo sapiens, then it is not wild . In my opinion both animal species are elligible dispersing vectors.

I would make the academic issue simple as this: Everything which grows by itself is in garigue, coastal areas, valleys and non public areas are WILD, those which grows in gardens, houses, land used for agriculture, etc or need to be taken care after (watering) are not wild. But I live in a much simplistic world!


I can undertsand how complex the argument can get into - so it's enough for this Semester :-)
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