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新种兴安松（ＰｉｎｕｓｈｉｎｇｇａｎｅｎｓｉｓＨ．Ｊ．Ｚｈａｎｇ）１９８５年被命名后，大兴安岭五针松即成３种。为探求三者亲缘关系，以比较形态学、化学、生物化学以及生态学、地理学等多种方法，对三者进行了比较系统地研究。初步结果表明：①兴安松非大兴安岭特有成份，也不宜做为分类学的一个物种；②偃松（Ｐ．ｐｕｍｉｌａ）是个多型种，兴安松可能只是它的一直立性饰变，现做为传统分类学的一变型，学名重组合为Ｐ．ｐｕｍｉｌａｆ．ｈｉｎｇｇａｎｅｎｓｉｓ。
A new species of Xing An Song (PinushingganensisH.J.Zhang) was named in 1985, the Greater Khingan Range five needle pine into three kinds. In order to explore the kinship between the three, a comparative systematic study of the three was conducted by comparing morphological, chemical, biochemical, and ecological, geographical and other methods. The preliminary results showed that: ① Xing An Song non-Daxinganling unique ingredients, should not be classified as a taxonomic species; ② pine (P. pumila) is a multi-species, Xing An Song may only have its integrity has changed, now as A variant of traditional taxonomy, scientific name recombination for P. pumilaf. hingganensis.