Tacca bibracteata
Tacca bibracteata is a plant in the Dioscoreaceae family, native to Sarawak. It was first described by Engbert Drenth in 1908. Description
Tacca bibracteata has 6-7 entire oblong leaves with attenuate bases and acuminate apices, and pinnate nerves. It has four to many filiform bracts, and just two involucral bracts, and it is this characteristic which gives the species epithet, bibracteata. The apparently solitary inflorescence has up to ten flowers which are green and tinged with violet or very dark purple. References

External links 
 Tacca bibracteata images & occurrence data from GBIF

Plants described in 1908
Dioscoreaceae