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 last year  

I think its a filicaulis. Better to keep it drier in winter

 last year  

Thanks! I went looking for it now and fund something more similar. The leaves have this triangle tips like halesowensis or marianae var. kubusensis .

The other one died in summer... I think it cooked :p

 last year  

Wow! They are hard to cook. You'll be able to ID it properly when it flowers: that will tell you the section