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Volume 43 Issue 6
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PAN H L, HE L N, MAO Y J, et al. Arceuthobium tibetense, a new record species of santalaceae in Sichuan Province, China[J]. Journal of Sichuan Forestry Science and Technology, 2022, 43(6): 129−130 doi: 10.12172/202205070002
Citation: PAN H L, HE L N, MAO Y J, et al. Arceuthobium tibetense, a new record species of santalaceae in Sichuan Province, China[J]. Journal of Sichuan Forestry Science and Technology, 2022, 43(6): 129−130 doi: 10.12172/202205070002

Arceuthobium tibetense, A New Record Species of Santalaceae in Sichuan Province, China


doi: 10.12172/202205070002
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  • Corresponding author: 763520087@qq.com
  • Received Date: 2022-05-07
    Available Online: 2022-09-21
  • Publish Date: 2022-12-30
  • In this paper, a new record species of Santalaceae plants, Arceuthobium tibetense H. S. Kiu et W. Ren, was reported in Xiangcheng county, Sichuan province. This new discovery not only enriched the diversity of Santalaceae plants in Sichuan province, but also had certain guiding significance in the study of the origin, spread and protection of related groups.
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  • [1] 杨红卫,蔡晨波,李天星,等. 冷杉寄生总黄酮的提取及对羟自由基的清除作用研究[J]. 楚雄师范学院学报,2019,34(3):86−90+106. doi: 10.3969/j.issn.1671-7406.2019.03.014
    [2] 中国科学院中国植物志编辑委员会, 中国植物志[M]. 北京: 科学出版社, 1999.
    [3] Flora of China Editorial Board, 2003. Flora Reipublicae Popularis Sinicae: Vol. 5[M]. Beijing: Science Press: 242.
    [4] 陈艳,罗强. 四川樟科2新纪录种[J]. 四川林业科技,2022,43(1):130−131.
    [5] 黄琴,孟长来,何松,等. 四川省悬钩子属植物新记录[J]. 四川林业科技,2021,42(6):140−142. doi: 10.12172/202106150001
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Arceuthobium tibetense, A New Record Species of Santalaceae in Sichuan Province, China

doi: 10.12172/202205070002
  • 1. Sichuan Academy of Forestry, Chengdu 610000, China
  • 2. Xiangcheng Forestry and Grassland Administration, Xiangcheng 627850, China
  • Corresponding author: 763520087@qq.com

Abstract: In this paper, a new record species of Santalaceae plants, Arceuthobium tibetense H. S. Kiu et W. Ren, was reported in Xiangcheng county, Sichuan province. This new discovery not only enriched the diversity of Santalaceae plants in Sichuan province, but also had certain guiding significance in the study of the origin, spread and protection of related groups.

  • 冷杉寄生(Arceuthobium tibetense),为檀香科(Santalaceae)油杉寄生属(Arceuthobium)下的一个种,寄生于冷杉树上。冷杉在北半球分布较广,国内四川、云南、贵州、西藏、陕西等地均有分布[1],但冷杉寄生较为稀少,根据已有资料 ,冷杉寄生产于西藏(米林、林芝),海拔3200~3400 m山地冷杉林或云杉-冷杉林中,寄生于长苞冷杉或川滇冷杉上,模式标本采自西藏自治区米林县里龙沟[2]

    2020 年 8月,在甘孜州乡城县采集到檀香科油杉寄生属植物冷杉寄生 [3],查阅已有文献资料,确定本种为四川省新记录种,凭证标本存放于四川省林业科学研究院植物标本室。该发现丰富了四川省的植物多样性。现报道如下:

    • Arceuthobium tibetense H. S. Kiu et W. Ren in Journ. Yunnan For. Coll. 1: 42, f. 1. 1982; 中国植物志 24:145.1988; Flora of China 5: 242.2003.

    2.   特征描述
    • 亚灌木,高1~3 cm,枝条黄绿色或绿色;主茎的节间长3~6 mm;侧枝交叉对生,具多级分枝。叶呈鳞片状,长约1 mm。花单朵顶生;雄花:花蕾时近球形,黄色,萼片3枚,近三角形;花药圆形;雌花:近球形。幼果椭圆状,上半部为宿萼包围,下半部平滑,粉绿色。花期5-6月[2]

      本种的植株矮小,受本种侵害的树枝能畸形肿大呈纺锤形或病枝变细形成丛生疯枝,“吸器”在树枝内延伸,常在靠近冬芽附近萌发出寄生植株;幼龄的树若受侵害,生长变衰弱[2]

    3.   标本引证、生境与分布
    • 凭证标本:四川省甘孜州乡城县查呈沟,坐标:E: 99.924903°,N: 28.661652°,H: 3807 m,采集时间: 2020-8-8,标本收藏于四川省林业科学研究院植物标本室。

      Figure 1.  Characteristic and habitat photographs of Arceuthobium tibetense

    4.   讨论
    • 冷杉寄生是一味比较珍贵的中药材,民间会采摘冷杉寄生,自然阴干切片,用文火慢慢熬制,直到药汤变为酒红色,倒出冷却并配蜂蜜口服,对治疗腰膝酸软、骨质增生、风湿麻痹、胎动不安效果十分显著[1]。根据标本和资料记录,目前冷杉寄生仅在西藏有分布,本次乡城县林木种质资源普查发现其新纪录,其寄生于长苞冷杉和川滇冷杉枝上,不仅为相关类群的物种起源、扩散及保护研究提供基本指导[4],同时对丰富和补充四川省植物多样性和相关文献资料具有重要的理论基础[5]

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