× Phyllosasa

× Phyllosasa is a nothogenus (genus of hybrid origin) of Japanese bamboo in the grass family.^[3][4]

× Phyllosasa
× Phyllosasa tranquillans
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Monocots
Clade:	Commelinids
Order:	Poales
Family:	Poaceae
Subfamily:	Bambusoideae
Tribe:	Arundinarieae
Subtribe:	Arundinariinae
Genus:	× Phyllosasa Demoly
Species:	× P. tranquillans
Binomial name
× Phyllosasa tranquillans (Koidz.) Demoly
Synonyms[1][2]
× Hibanobambusa Maruy. & H.Okamurak, not validly published Semiarundinaria × tranquillans Koidz. Sinarundinaria × tranquillans (Koidz.) Muroi Phyllostachys × tranquillans (Koidz.) Muroi × Hibanobambusa tranquillans (Koidz.) Maruy. & H.Okamura Sinarundinaria × nipponica Muroi × Hibanobambusa tranquillans f. kimmei Muroi

It consists of a single nothospecies of bamboo, × Phyllosasa tranquillans, native to woodland in southern Honshu in Japan.^[5][6] It is considered to be a hybrid between Phyllostachys nigra var. henonsis and Sasa veitchii f. tyugokensis.^[6]

It is a spreading, clump-forming bamboo growing to 2.5 m (8 ft) tall, with very dark green leaves 25 cm (10 in) or more in length. The variegated cultivar 'Shiroshima' is found in cultivation.^[7]