蔷薇科
Oso-berry \O"so-ber`ry\, n. (Bot.) The small, blueblack, drupelike fruit of the {Nuttallia cerasiformis}, a shrub of Oregon and California, belonging to the Cherry tribe of {Rosace[ae]}.
Rosaceae n : a large family of dicotyledonous plants of order Rosales; have alternate leaves and five-petaled flowers with numerous stamens [syn: {family Rosaceae}, {rose family}]