最近,漾濞发现的核桃古木把人们对漾濞核桃的认识提前到了四千年以前,这为研究云南核桃的起源提供了重要的证据。过去,国内传统的看法认为中国内地的核桃是西汉时代张骞从西域带回的,而云南的核桃则是三国时代由诸葛亮传入的。关于张骞带回核桃,西晋张华《博物志》中有“张骞使西域还,乃得胡桃种”之 Recently, the ancient walnut trees found in Yangbi marched people’s understanding of the Yangbi walnut four thousand years ago, which provided important evidence for studying the origin of the walnut in Yunnan. In the past, the domestic traditional view was that the walnuts in mainland China were brought back by Zhang Qian in the Western Han Dynasty from the Western Regions, while the walnuts in Yunnan were introduced from Zhuge Liang by the Three Kingdoms era. About Zhang Qian brought back walnuts, the Western Jin Dynasty Zhang Hua “Museum of Natural History” in the “Zhang Qian also make the Western Regions, but also walnut species”