As what appears to be a freak of nature, one of my Pantanal's, after lopping it's head off (trimming), has grown a side shoot with ovate red leaves. The others that I lopped are growing side shoots with red needle shaped leaves as expected. Is it possible that the plant 'thinks' it's growing emersed or something? It is most definitely submerged. It looks rather odd with greenish needle shaped leaves at it's base with these ovate reddish leaves on the upper branch section. Maybe I'll try to propagate it when it's big enough ...