Prunus spinosa the more shrubby habit with stiffer, wider-angled branches of "P. spinosa"; in summer by the relatively narrower leaves of "P. spinosa", more than twice as long as broad; and in autumn by the colour of the fruit skin purplish black in "P. spinosa" and yellow or red in "P. cerasifera". "Prunus spinosa" has a tetraploid (2"n"=4"x"=32) set of chromosomes. The specific name "" is a Latin term indicating the pointed and thornlike spur shoots characteristic of this species. The common name "" is due to the thorny nature of the shrub, and its very dark bark. The word commonly used
Prunus salicina they dominate the stone fruit industry in Western Australia. Prunus salicina Prunus salicina (syn. "Prunus triflora" or "Prunus thibetica"), commonly called the Japanese plum or Chinese plum, is a small deciduous tree native to China. It is now also grown in fruit orchards in Korea, Japan, the United States, and Australia. "Prunus salicina" should not be confused with the "Prunus mume", a related species of plum also grown in China, Japan, Korea and Vietnam. Another tree, "Prunus japonica", is also a separate species despite having a Latin name similar to "Prunus salicina"'s common name. Plant breeder Luther Burbank devoted a