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| Resource distribution of Xanthoceras sorbifolium Bunge. based on specimens |
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| DOI： |
| KeyWord:Xanthoceras sorbifolium Bunge. speciemen oil tree species resource distribution protection untilization |
| FundProject:国家标本平台教学标本子平台项目（2005DKA 21401）；甘肃省陇原青年创新创业人才（团队）项目资助；西北师范大学特色学科青年骨干培育项目资助（2019-QNGG-01） |
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| Abstract: |
| Xanthoceras sorbifolium Bunge., a single-genus and a single-species, is a unique woody oil tree species in China, which has high economic, medicinal and ecological value. In order to systematically study the geographical distribution and resource characteristics of X. sorbifolium Bunge. in China, the geographical distribution pattern and resource characteristics of the main distribution areas of X. sorbifolium Bunge. were analyzed by investigating the specimens (or digital specimen information) in the main herbariums and literatures at home and abroad. The results based on the 1 182 collected specimens showed that X. sorbifolium Bunge. was mainly distributed in 21 provinces, autonomous regions and municipalities in Northwest, Northeast and North China with wide distribution areas and large altitude differences. There were differences in flowering and fruit morphology in different regions, and the average fruit diameter of samples collected in Shaanxi was significantly larger than that in other regions. The collection place, time and other information of some specimens were incomplete, and a few samples were incomplete due to improper collection or management. The study provided a new idea and approach for studying the resource distribution of distinctive oil plants by using digital specimen resources. |
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