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Water Wisteria Issues

This is a discussion on Water Wisteria Issues within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> Originally Posted by Rip the narrow leaf chain swords that i got from petsmart have a feature that isn't represented in the pic in ...

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Water Wisteria Issues
Old 04-04-2011, 05:10 PM   #21
 
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the narrow leaf chain swords that i got from petsmart have a feature that isn't represented in the pic in the Pygmy Chain Sword profile. it has some kind of seeds or buds that are on leaf-less stems that stick out higher than all the regular leaves. what is that about?
Sounds like an inflorescence, or flower stem. This species, if you read our profile [pygmy chain sword], normally reproduces by runners, as we grow it submersed. But in its habitat, it grows emersed for half the year, and that is when it (like all swords, which are marsh plants rather than true aquatic plants) flowers.

Grown submersed permanently, it will not produce infloresceces like other swords often do (with adventitious plants but no flowers usually, though not always), or so the authorities write. I would expect yours to be fairly recently acquired, and the inflorescence was on it (or forming) at the time. Most swords are raised emersed as it is quicker and less expensive. Which is why they have leaf forms that yellow and fall off after they are submersed for a time, and new leaves are obviously the sumersed form that appear different.

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Old 04-04-2011, 05:36 PM   #22
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thanks for the info. very interesting. they indeed are fairly new plants, as i've been slowly adding 2-3 plants a week, trying to fill my 55 gallon.

so if the inflorescence occurs when the plant is emersed, does fully submersing it stunt the flowering effect of the plant, or is it still possible it could flower under water? and if it won't flower, should i just remove it from the plant, since it will be fully submersed for the rest of it's existence?

Last edited by Rip; 04-04-2011 at 05:39 PM..
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Old 04-04-2011, 06:06 PM   #23
 
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thanks for the info. very interesting. they indeed are fairly new plants, as i've been slowly adding 2-3 plants a week, trying to fill my 55 gallon.

so if the inflorescence occurs when the plant is emersed, does fully submersing it stunt the flowering effect of the plant, or is it still possible it could flower under water? and if it won't flower, should i just remove it from the plant, since it will be fully submersed for the rest of it's existence?
I don't know. It might depend upon how far developed the flowers are when the plant is then submersed. Or perhaps the plant's instinct tells it to stop flower production when it is submersed. In its habitat, for example along the Rio Guapore in SW Brazil where this species grows, it is emersed during the "dry" season and obviously there is no chance of it being submersed until the river rises and floods when the rains begin. Each cycle is roughly 6 months. The flood season is now ending in southern Amazonia, it lasts from November to April, and the rivers will begin to lower and remain so until next October/November.

I would leave it and see if anything happens. Most swords that produce an inflorescence submersed, such as Echinodorus bleherae, produce adventitious plants and not flowers. My large E. bleherae are just starting to do this yet again, they do this twice each year. My Echinodorus major produced an inflorescence last summer, and to my surprise it flowered; Rataj says this doesn't occur submersed with this species, so this was apparently rare. There were several flowers above the surface (the inflorescence was 2+ feet long) and I posted some photos at the time [I'll attach them here]. Adventitious plants formed, and I now have I think 7 plantlets in the 70g from two of the flower nodes. What you see on your sword should be similar.

The pygmy chain sword is now deemed back in the genus Helanthium and not Echinodorus, and I wrote an article on this last August, here's the link if interested.
http://www.tropicalfishkeeping.com/f...-plants-49937/

Byron.
Attached Images
File Type: jpg E. major flowers (1).jpg (71.1 KB, 21 views)
File Type: jpg E. major flowers (2).jpg (74.4 KB, 22 views)
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Old 04-04-2011, 08:19 PM   #24
 
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My hood only takes tube bulbs :(
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Old 04-04-2011, 08:33 PM   #25
 
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My hood only takes tube bulbs :(
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Fluorescent tubes, that's fine. You want a full spectrum or daylight type. You need to know the length of tube that will fit. If you have an existing tube you can measure it, end to end not including the prongs. Then look for that size tube in a T8. You can get tubes in fish stores, they will be more expensive; or hardware stores that are about as good for less. Let me know if you want suggestions for tubes.

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Old 04-04-2011, 08:33 PM   #26
 
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My hood only takes tube bulbs :(
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It might be time to buy upgrade for a worth while fixture. You can always scour craigslist for a deal on one. Once you have that fixture then you can open up your possibilities. I just ordered the bulbs Byron is talking about for three dollars a bulb.

Another idea is to look on craigslist and upgrade to a bigger tank such as a twenty gallon or 29 gallon. You can grab a whole set of a tank/hood/filter and such for a decent price. That ten gallon can then be used as a lightly planted invertebrate tank if you decide to upgrade also.
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Old 04-04-2011, 08:41 PM   #27
 
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That all requires a job which I don't have. It also helps to live in a house and not an apartment.
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Old 04-18-2011, 07:10 PM   #28
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in an update to the inflorescence topic we were discussing...

in my 10 gallon tank, i left them alone, now they're starting to bloom, but into "adventitious plants and not flowers" like you said. they look like the ones growing on the gravel. here's a few pics...






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Old 04-18-2011, 07:31 PM   #29
 
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in an update to the inflorescence topic we were discussing...

in my 10 gallon tank, i left them alone, now they're starting to bloom, but into "adventitious plants and not flowers" like you said. they look like the ones growing on the gravel. here's a few pics...






The photos didn't load, somehow...
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Old 04-18-2011, 08:44 PM   #30
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i'll try it a different way...







i can see the pics in the previous post, but hopefully this time it worked for you.
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