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Identifing crispus

This is a discussion on Identifing crispus within the Beginner Planted Aquarium forums, part of the Beginner Freshwater Aquarium category; --> So it seems what I got was not a aponogeton cripis but a aponogeon elongatus. I found this website: http://plantnet.rbgsyd.nsw.gov.au/cg...eton~elongatus that tells a little ...

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Old 06-15-2010, 05:40 PM   #11
 
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So it seems what I got was not a aponogeton cripis but a aponogeon elongatus. I found this website: http://plantnet.rbgsyd.nsw.gov.au/cg...eton~elongatus that tells a little it about it but could anybody confirm that this is true.? I have no idea what it is for sure but from the pictures I can find this is definatly not a crispis.
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Old 06-16-2010, 12:58 PM   #12
 
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I would think your plant is Aponogeton ulvaceus. The leaves are wavy as in this species, but not crinkled as in A. crispus; and A. ulvaceus leaves are a tad wider which yours appear to be in the photos.

My knowledge of the Aponogeton genus is very limited, so I don't insist on my identification; Dan would be the one to sort this out.

Byron.
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Old 06-16-2010, 01:30 PM   #13
 
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I am still convinced it is a crispus or an undulatus. The elongatus from what I have read will develop floating leaves as well as submerged. The crispus and undulatus do not have floating leaves if I am remembering correctly.

The Ulvaceous has very wide (4"+) tightly twisting leaves that will reach 3 feet long in a week or so. Very cool plant if you have the room.

Dan
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Old 06-16-2010, 03:53 PM   #14
 
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Quote:
Originally Posted by Sweet Aquatics View Post
I am still convinced it is a crispus or an undulatus. The elongatus from what I have read will develop floating leaves as well as submerged. The crispus and undulatus do not have floating leaves if I am remembering correctly.

The Ulvaceous has very wide (4"+) tightly twisting leaves that will reach 3 feet long in a week or so. Very cool plant if you have the room.

Dan
There may be a mixup in names. According to Hiscock, A. ulvaceous leaves are 4-6 cm/1.6-2.4 inches wide and 14-16 inches in length. But the photo in his Encyclopedia is to me near identical to the plant photos in this thread, and after more digging online I think the photo is more likely A. undulatus, so I would think that is likely.
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Old 06-16-2010, 04:29 PM   #15
 
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That is the problem with identifying plants is that there is so much conflicting information out there. The Crispus and Undulatus are to similar to tell apart without the flower. I am glad that when I order these 2 they are always labeled.

The Aponogeton Ulvaceous according to Christel Kasselmann can reach 95cm (37") in length and contain as many as 90 leaves. I have grown many Ulvaceous to 36 plus inches tall containing 30-40 leaves.
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Old 06-16-2010, 06:10 PM   #16
 
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Thanks for the help you guys but from what I can tell your probably right about the A. Ulvaceus. Either way I don't think I can tell if it will be a flowering type for a while. since they both literally lost all there leaves and almost died before I got them. One has a nice bunch of leaves now but like you said they aren't floating leaves really. What is the likelihood of mine being a true ulvaceus anyway?, a few sites say they are rare in the aquarium trade.
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