野核桃又叫黑核桃(Iuglans catha-yensis),我省滇中、滇西山区海拔2000米以上的箐沟、洼地,土壤肥厚的地方,都有集中或零散的分布,在林中其干长冠小,枝叶稀疏,果小质劣。其种子刻纹深,壳厚而硬,有骨质间隔,要用铁锤才能打开,仁甚少,出油率仅在50%左右。野核桃物候期比泡核桃晚一个节令左右,一般三月中旬萌发,月底展叶、抽梢,四月上中旬开花,下旬授粉座果,9 Wild walnut, also known as the black walnut (Iuglans catha-yensis), in our province in Yunnan, mountain west of Yunnan Province at an altitude of 2000 meters above the furrow, depression, soil hypertrophy, have concentrated or scattered distribution, in the forest of its dry Small crown, sparse branches, fruit small quality. The seeds engraved deep, shell thick and hard, with bone spacing, to use a hammer to open, little kernel, the oil yield of only about 50%. Wild walnut phenophase than bubble walnut a seasonal order, the general germination in mid-March, the end of the exhibition leaves, shoots, flowering in mid-April, late pollinating fruit, 9