Identifing crispus - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 16 Old 06-15-2010, 05:40 PM Thread Starter
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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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post #12 of 16 Old 06-16-2010, 12:58 PM
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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.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #13 of 16 Old 06-16-2010, 01:30 PM
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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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post #14 of 16 Old 06-16-2010, 03:53 PM
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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.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #15 of 16 Old 06-16-2010, 04:29 PM
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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.

172 planted tanks

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Assassin Snails
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Tiger Nerites
Zebra Nerites
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post #16 of 16 Old 06-16-2010, 06:10 PM Thread Starter
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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.

1 Green Spotted Puffer
1 Female Black Sowrdtail
1 Albino Cory Cat
And 3 baby swords
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