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白松亚组.
白松亚组
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乔松五针一束的针叶,是白松亚组的重要特征之一
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科学分类
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界:
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植物界 Plantae
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演化支:
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维管植物 Tracheophyta
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门:
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松柏门 Pinophyta
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纲:
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松柏纲 Pinopsida
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目:
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松柏目 Pinales
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科:
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松科 Pinaceae
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属:
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松属 Pinus
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亚属:
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白松亚属 P. subg. Strobus
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组:
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五针松组 P. sect. Quinquefoliae
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亚组:
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白松亚组 P. subsect. Strobus
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白松亚组(学名:Pinus Subsect. Strobus)是松属白松亚属五针松组下的一个亚组,约有20多个物种。由于该亚组所有物种的针叶均为五针一束,因此又称五针松亚组。白松亚组广泛分布于北半球,特别是东亚和北美。[1]
属于白松亚组的物种有:
- 奄美五针松 (Pinus amamiana)
- 华山松 (Pinus armandii)
- 不丹松 (Pinus bhutanica)
- 大别山五针松 (Pinus dabeshanensis)
- 越南五针松 (Pinus dalatensis)
- 海南五针松 (Pinus fenzeliana)
- 红松 (Pinus koraiensis)
- 华南五针松 (Pinus kwangtungensis)
- 台湾果松 (Pinus mastersiana)
- 台湾五针松 (Pinus morrisonicola)
- 直叶五针松 (Pinus orthophylla)
- 日本五针松 (Pinus parviflora)
- 偃松 (Pinus pumila)
- 新疆五针松 (Pinus sibirica)
- 乔松 (Pinus wallichiana)
- 毛枝五针松 (Pinus wangii)
早期基于球果成熟之后是否开裂的性状将五针松类划分为两个亚组, 球果成熟时不开裂的物种为石松亚组(Pinus Subsect. Cembrae), 球果成熟时开裂的为白松亚组(Pinus Subsect. Strobi)[1]。后根据形态学特征和叶绿体基因(matK和rbcL)证据将这两个亚组合并为白松亚组[2]。但白松亚组的种间关系一直存在争议[1]。
- ^ 1.0 1.1 1.2 Liu, Yanyan; Liu, Chang; Wei, Xiaoxin. Current status of taxonomy, systematics and conservation of the white pines in China and adjacent regions. Biodiversity Science. 2022-02-20, 30 (2): 21344. doi:10.17520/biods.2021344.
- ^ Gernandt, David S.; López, Gretel Geada; García, Sol Ortiz; Liston, Aaron. Phylogeny and classification of Pinus. TAXON. 2005-02, 54 (1): 29–42. doi:10.2307/25065300.
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