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Thread: Ludwigia sp. Rubin vs Ludwigia sp. Red Reply to Thread
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Topic Review (Newest First)
06-05-2014 08:09 AM
HybridHerp Two year old thread is two years old

And growing conditions wouldn't really be affecting the pattern of leaf growth, it might affect the color and size of the leaf itself but not the placement of the leafs
06-05-2014 02:28 AM
tumbz Could growing conditions affect leaf structure??
06-05-2014 02:26 AM
tumbz Oh. Make sense. Without looking at leaf structure, it'll be very hard to tell the diff between rubin and repen.

That's should be the real question instead of rubin and red.....
06-05-2014 02:04 AM
Tinanti
Quote:
Originally Posted by tumbz View Post
I believe the Rubin is simply a well cared for Repens......
Nope. 'Rubin' has leaves that are opposite, sub-opposite or alternate. L. repens has leaves that are always opposite. The former is probably a hybrid between something like repens and an alternate-leaved plant.

Quote:
Originally Posted by tumbz View Post
Therefore, the sp. Red and Rubins actually are the same plant.
Very different. The 'red' is probably L. palustris; much smaller, always red.
06-05-2014 01:50 AM
tumbz I believe the Rubin is simply a well cared for Repens......

Therefore, the sp. Red and Rubins actually are the same plant.

Ludwigia Repens turns green under low light and pinkish under high........
12-17-2012 06:57 AM
HybridHerp I'm getting some Rubin in a few days, and I already have red, so I will try and compare once the rubin settles in as well.
12-15-2012 02:51 PM
vqfive I have both Rubin and Red. The Red I purchased looks like a mini Rubin but is always red color from top to bottom
12-15-2012 02:19 PM
HD Blazingwolf
Quote:
Originally Posted by orchidman View Post
I thought that Ludwigia sp. 'Red' was decided to be a red variety of L. paulustris. Making it Ludwigia paulustris 'Red'. I think it was Chad to was telling me this.
It is very similar in shape so is entirely believeable
palustris seems a bit mroe elongated in leaf form.
i woulnd't mind setting up a comparison grown under the same conditions if i could get my hands on some
12-14-2012 05:16 PM
orchidman I thought that Ludwigia sp. 'Red' was decided to be a red variety of L. paulustris. Making it Ludwigia paulustris 'Red'. I think it was Chad to was telling me this.
12-14-2012 05:08 PM
HD Blazingwolf
Quote:
Originally Posted by Monster Fish View Post
Yeah, it was a recently replanted top.
Try replanting 6 inches or more of stem as this gives the plants more nutrient store. as it grows in and matures in ur tank, future replants will be less stressfull
12-14-2012 04:04 AM
Monster Fish
Quote:
Originally Posted by HD Blazingwolf View Post
was that one recently moved? if stressed they can turn orange. this usually indicates a co2 issue though.. with high enough levels the plants will not stress when moved or trimmed
Yeah, it was a recently replanted top.
12-14-2012 01:58 AM
HD Blazingwolf
Quote:
Originally Posted by Monster Fish View Post
My other Ludwigia sp. Red in my tank are a nice deep red though.
was that one recently moved? if stressed they can turn orange. this usually indicates a co2 issue though.. with high enough levels the plants will not stress when moved or trimmed
12-14-2012 01:55 AM
HD Blazingwolf here are two shots of it

the yellowish red repens is with low co2, low nitrate, low phosphate frm when i got first started

the bigger leafed bubbly ludiwiga is not red becuase i have it far away from the lights, but it has less co2 deficiency.. the curved leaf is still a good co2 deficiency sign
12-14-2012 12:11 AM
Lia
Quote:
Originally Posted by HD Blazingwolf View Post
very small leaves, definitely a sign of no co2.. ludwigia repens leaves are about the size of a quarter when receiving all required nutrients

Thank you very much, it grows great but what you have said about the leaves being quarter size with co2 makes sense because I see this plant growing by canals (that is where I got it) and the leaves on those are quarter size while mine are nickel size if even that.

I just assumed since it grew so fast that water changes were enough.

I have a second corckscrew val tank recently set up and was thinking of DIY CO2 , will try it in both tanks.

The water here is the best for no algae at all and amazing plant growth but as you know doesn't come with CO2 so going to try it with soda bottle and air stone in tank.
12-13-2012 08:47 PM
HybridHerp while on the topic, I feel like sp. atlantis should also be discussed with these two
sure, price wise there is a big difference now, but appearance wise and size wise and all I think these three sp. are very similar.
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