Leguminosae and folding leaves...

Hi all,

     My seedling Acacia baileyana is doing well and it does something i
never noticed on these plants before. At night the one true leaf it has
right now folds up, just like the much quicker mimosas do when tapped.
Since it is indoors, when it gets really dark i turn on the lights and
the leaf slowly unfolds. I was wondering if this is a trait common to
all the Leguminosae, or at least the tree and shrub types?

I also noticed the roots have a fetid odor (strong enough when i picked
out the other seedling (to leave the strongest one in the pot), i
smelled an odor and didnt realize it was coming from the roots!


Also:

I have a seedling Moringa oleifera (Horseradish Tree, Drumstick Tree,
Malunggay). It's just been a week since the seedling became free from
the seed itself, and is already three inches high. Most is the stem but
the leaves are coming along. The cotyledons havent even unfurled yet
(at least that's what I assume they are. I dont know if the Moringacea
have seed leaves or just show the true leaves first).



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     "Raw to the floor like reservoir dogs"  - A.V. Helden 
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