四川天全县在梨资源普查中发现一株野生无籽沙梨。该树位于海拔1310米的荒山坡上,树高8.8米,树干周长0.81米,主枝4个。树干灰褐色。叶为广披针形,叶色草绿。果实为“葫芦形”或“纺锤形”,平均重25克。每个果苔多为1个果,少有2至3个果。心室5,多数果无籽,极少数有1毫米大的退化种子。这株野生无籽沙梨的发现为果树育种和果树生理学提供 Tianquan County, Sichuan Province in the pear resources census found a wild seedless sand pear. The tree is located on a barren hillside at 1,310 meters above sea level with a tree height of 8.8 meters and a trunk circumference of 0.81 meters and four main branches. Trunk taupe. The leaves are broadly lanceolate, with green leaves. The fruit is “gourd-shaped” or “spindle” with an average weight of 25 grams. More than 1 fruit per fruit, rarely 2 to 3 fruit. Ventricular 5, mostly fruit-seeded, very few 1 mm large degenerated seeds. The discovery of this wild seedless sand pear is provided for fruit tree breeding and fruit tree physiology