“昌宁大尖嘴”是在云南省昌宁县鸡飞乡鸡飞村发现的核桃新品种,发现时树龄约80年生。2013年通过云南省林木品种审定委员会认定。该品种青果微长圆形,青皮淡绿色,果点灰白色、不规则、密、突出,果皮肉质,平均果皮厚度10.0 mm,厚度大于对照品种“大泡核桃”和“细香”。坚果微长菱圆形,平均纵、横、侧径为4.1 cm×3.4cm×4.2 cm。果个大,平均单(干)果质量16.43 g,大 “Changning big tip mouth ” is a new walnut found in Jifei village, Jifei township, Changning county, Yunnan province. When found, it was about 80 years old. In 2013, it was certified by Yunnan Forest Tree Species Examination and Approval Committee. The varieties of green fruit slightly oblong, green skin light green, gray spots, irregular, dense, prominent, pericarp meat, the average thickness of pericarp 10.0 mm, the thickness is greater than the control varieties “bubble walnut” and “scent” . The nuts are long rhombus with average longitudinal, transverse and lateral diameters of 4.1 cm × 3.4 cm × 4.2 cm. Fruit a big, average single (dry) fruit quality 16.43 g, big