Phyllosasa
× Phyllosasa is a nothogenus of Japanese bamboo in the grass family.
It consists of a single nothospecies of bamboo, Phyllosasa tranquillans, native to woodland in southern Honshu in Japan. It is considered to be a hybrid between Phyllostachys nigra var. henonsis and Sasa veitchii f. tyugokensis.
It is a spreading, clump-forming bamboo growing to tall, with very dark green leaves or more in length. The variegated cultivar 'Shiroshima' is found in cultivation.
