Rimbach’s Bean (Phaseolus rimbachii)  

Rimbach’s Bean is a somewhat enigmatic species, that is known from the type collection which was collected at an elevation of about 2800 m near the city of Riobamba in the Chimborazo Province, Ecuador at an unknown date. [?]  

The species was described in 1940, it was a up to 5 m tall climbing liana with the leaves having a conspicuously glaucous under surface.  

Rimbach’s Bean was never found again since, the type locality is now more or less destructed, so the species is most probably extinct.  

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edited: 22.03.2018