a new and distinct variety of nectarine tree denominated varietally as &# 34 ; summer lion -- three &# 34 ; which is somewhat similar to the red lion nectarine tree and the may grand nectarine tree with which it is most closely related but which is distinguished therefrom and characterized as to novelty by producing fruit which are mature for commercial harvesting approximately july 25 through august 5 in fresno county , calif . and which further produces fruit that has a large size , a yellow - colored firm flesh , and is freestone by nature .