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 kansuensis locally. The fruit is eaten by the endangered golden snubnosed monkeys ("Rhinopithecus roxellana"). Prunus kansuensis Prunus kansuensis (), sometimes called the Chinese bush peach, is a putative species of peach native to China. It is found in Gansu, Guizhou, Hubei, Qinghai, Shaanxi and Sichuan provinces. It is a shrub or tree tall, preferring to grow at above sea level. A genetic and morphological study has shown that it is conspecific with "Prunus persica", the cultivated peach. "P.kansuensis" is being investigated as a source for rootstocks and for crop improvement due to its resistance to multiple diseases, to drought, and to