西藏横断山种子植物区系新资料
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宜宾学院

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国家自然科学基金(32001390);香料植物资源开发与利用四川省高校重点实验室项目(2015XLY008,2016XLZ003)


Additions to the seed plant flora in Tibet, China
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National Natural Science Foundation of China(32001390); Foundation of Key Lab of Aromatic Plant Resources Exploitation and Utilization in Sichuan Hogher Education (2015XLY008, 2016XLZ003)

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    摘要:

    【目的】横断山脉北部生物多样性丰富,最近10多年,有许多关于该区域生物多样性的考察报道。考察队于2023年6—8月在横断山北部开展了植物多样性和植被结构调查,又获得了不少新的考察成果。【方法】通过野外调查对植物进行采集和拍照,制作标本,并进行分类鉴定,报道了采自西藏横断山北缘昌都察雅地区的8个西藏新记录种。【结果】分别为矮麻黄(Ephedra minuta Florin)、拧条锦鸡儿(Caragana korshinskii Kom.)、炉霍杜鹃(Rhododendron luhuoense H. P. Yang)、千里香杜鹃(Rhododendron thymifolium Maxim.)、长柱直枝杜鹃(Rhododendron orthocladum var. longistylum Philipson et M. N. Philipson)、南方雪层杜鹃(Rhododendron nivale Hook. f. subsp. australe Philipson et M. N. Philipson)、茵陈蒿(Artemisia capillaris Thunb.)、细穗藜[Chenopodiastrum gracilispicum (H.W. Kung) Uotila]。【结论】新分布植物的发现对于西藏横断山区植物区系的补充具有重要意义。凭证标本保存于宜宾学院植物标本室。

    Abstract:

    【Objective】 Northern Hengduan Mountains are shaped like a huge funnel, which add to the flora and vegetation diversity. The study aims to better understand flora diversity and vegetation structure of the North edge of the Hengduan Mountain, we conducted the investigation in Northern Hengduan Mountains from June to August 2023. 【Methods】 In this study, plants were collected and photographed through field investigation, made into specimens, and sorted out and identified. The voucher specimens for each reported species were preserved in the Herbarium of Yibin University(GAO20230801-20). 【Results】 Eight species, Ephedra minuta Florin(Ephedraceae), Caragana korshinskii Kom.(Fabaceae), Rhododendron luhuoense H. P. Yang(Ericaceae) , Rhododendron thymifolium Maxim.(Ericaceae) , Rhododendron orthocladum var. longistylum Philipson et M. N. Philipson(Ericaceae) , Rhododendron nivale Hook. f. subsp. australe Philipson et M. N. Philipson(Ericaceae) , Artemisia capillaris Thunb.(Asteraceae), Chenopodiastrum gracilispicum (H.W.Kung) Uotila(Amaranthaceae) are reported as newly recorded species in Xizang Autonomous Region. 【Conclusion】 The investigation of plants in the border areas of Northern Hengduan Mountains are still insufficient, which should be further strengthened in the investigation of flora and resources in the future. The discovery of new distributed plants is of great significance to the nature of the local flora and the attribution of the regionalization.

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陈绪言,高刚.西藏横断山种子植物区系新资料[J].西北植物学报,2024,44(6):1003-1008

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  • 收稿日期:2023-12-10
  • 最后修改日期:2024-03-03
  • 录用日期:2024-03-08
  • 在线发布日期: 2024-05-21
  • 出版日期: 2024-07-01
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