PENIOCEREUS FOSTERIANUS

This member of the Cactaceae family was described by Ladislaus Cutak in 1945. It is found in Guerrero in southern Mexico, growing in grit with little water and some to much sun. The caudex can grow up to twelve centimetres in diameter, the leaves/stems up to 1,2 meters long. The nocturnal flowers are large and white. The genera name from pene; 'thread' and Cereus; another member of the Cactaceae family, as to plant's form. The species name after Mulford B. Foster, 1888-1978, an US-American plantsman and Bromeliad specialist. P. fosterianus var. nizandensis by Juergen Menzel, Cactiguide.com.