Plant identification, please? - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 7 Old 07-07-2010, 09:26 PM Thread Starter
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Question Plant identification, please?

Hi, the shop doesn't label the plants. Can anybody identify this plant for me, please?
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post #2 of 7 Old 07-07-2010, 09:38 PM
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Looks like water sprite to me.
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post #3 of 7 Old 07-08-2010, 04:39 AM Thread Starter
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Thanks. I'll do some research about it.
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post #4 of 7 Old 07-10-2010, 10:30 AM
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Yes, absolutely that is a species of Ceratopteris, probably Ceratopteris cornuta (Water Sprite) or C. pteridioides, grown rooted in the substrate. The former species is included in our profiles, have a look (click on the shaded name, or use the second tab from the left in the blue bar across the top to go to the Profiles section of the forum). This plant is a terrific floating plant, but will grow rooted in the substrate. From the leaf shape in the photo I suspect it may be C. pteridioides. C. cornuta is the most common, and there is also C. thalictroides but its deeply incised leaves are quite distinctive and the plant in the photo is not that.

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 #5 of 7 Old 07-10-2010, 06:11 PM Thread Starter
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Thanks Byron. I'd come across Ceratopteris cornuta through googling, but not the other one you mentioned. I'd found a picture described as cornuta which looked the same, but other photos looked different (people posting photos don't always seem clear on identification). Having the genus name is certainly useful, in any event.
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post #6 of 7 Old 07-10-2010, 06:24 PM
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Quote:
Originally Posted by tanker View Post
Thanks Byron. I'd come across Ceratopteris cornuta through googling, but not the other one you mentioned. I'd found a picture described as cornuta which looked the same, but other photos looked different (people posting photos don't always seem clear on identification). Having the genus name is certainly useful, in any event.
Yes, photos are frequently mis-labelled. I have found cases so obvious, like a neon tetra labelled glowlight. The fish do have a horixontal irridescent line, but they are completely different colours.

When it comes to aquarium plants, which can be variable themselves depending upon growing conditions, it is very tricky to find accurate photos. Wisteria for instance grown under low light produces solid leaves, whereas the same plant under brighter light will have finely-divided pinnate leaves.

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 #7 of 7 Old 07-10-2010, 06:44 PM Thread Starter
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Yes, and young plants and older plants can look different as well (I'm assuming the same for aquarium plants as terrestrial ones).

Some of the pictures labelled cornuta seemed to be a very fine lacy-leaved plant which looked very different to mine.

I've become interested in adding more live plants to my tanks (after the ones I've already put in haven't died so I've been encouraged). It is quite difficult. You read a recommendation on here, then google it and find a heap of widely varying photos, then you have to try to pick it out at the shop where they don't label things (or probably not accurately, even if they do have a label). I've just been picking out things I like the look of and hoping for the best.... No doubt I'll have to pull things out or move them in due course (assuming they don't die....)
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