OK, I give up!! I'm totally stumped. I collect aquatic plants from the Columbia river in S.E. Washington. Most of which I've ID'd but this one has me scratchin my head, it isn't on any of the native plant lists.
The leaves are firm & will break off the stem rather then bend. When I found them, they were in 4 feet of water. The stocks were only 1-2 feet high, not reaching the surface. I was unable to attain any of the root system, and I see no roots growing from the stem. From a distance, and from above, it looks like hornwart.
http://i4.photobucke.../IMG_0061-1.jpg
http://i4.photobucke...ts/IMG_0065.jpg
http://i4.photobucke...ts/IMG_0062.jpg
Thank you for any clews you may have
Help With Plant Id
Started by
Guest_imakettle_*
, Oct 07 2008 01:45 PM
4 replies to this topic
#1 Guest_imakettle_*
Posted 07 October 2008 - 01:45 PM
#2 Guest_nativeplanter_*
Posted 07 October 2008 - 03:02 PM
It is hornwort, Ceratophyllum demersum.
Nice photos, by the way. Plant ID photos should be taken like this more often.
Nice photos, by the way. Plant ID photos should be taken like this more often.
#3 Guest_imakettle_*
Posted 07 October 2008 - 03:22 PM
Really? Is there more then 1 type? I've never seen it with such "spikey" looking leaves. Or maybe it's since it was grown in the wild? Is so, I hope I can keep it that way, it looks very cool.
#4 Guest_nativeplanter_*
Posted 07 October 2008 - 03:31 PM
Plants within a single species can differ from each other in the same way that fish sometimes can (see recent discussion about longear sunfish).
There is more than one species called "hornwort", though (which is why we use latin names). C. muricatum can occur with or without teeth. C. submersum have very small teeth. The aquarium ones you have seen may have been C. submersum. Those are native to Europe . C. demersum is a native . Congrats on your find!
There is more than one species called "hornwort", though (which is why we use latin names). C. muricatum can occur with or without teeth. C. submersum have very small teeth. The aquarium ones you have seen may have been C. submersum. Those are native to Europe . C. demersum is a native . Congrats on your find!
#5 Guest_imakettle_*
Posted 07 October 2008 - 04:25 PM
Thank you so Much
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