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日本金松

日本金松
化石时期:230–0 Ma
三疊紀晚期至今
[來源請求]
科学分类 编辑
界: 植物界 Plantae
演化支 维管植物 Tracheophyta
门: 松柏门 Pinophyta
纲: 松柏纲 Pinopsida
目: 松柏目 Pinales
科: 金松科 Sciadopityaceae
Luerss.
属: 金松属 Sciadopitys
Siebold & Zucc.
种:
日本金松 S. verticillata
二名法
Sciadopitys verticillata
異名
  • Pinus verticillata (Thunb.) Siebold
  • Podocarpus verticillatus (Thunb.) Jacques
  • Taxus verticillata Thunb. 1784

日本金松(學名:Sciadopitys verticillata),為金松科金松属唯一,只生长在日本,是当地的特有种,目前已经被引种到世界各地,是一种比较珍贵的观赏植物。

形态

[编辑]

日本金松是常绿乔木,高达15-27,针15-40片轮生,细长线形的叶子,凹头,上下面中央均有一浅沟(由两叶愈合而成,愈合处即成浅沟),长达7-12厘米,实际含有的组织;花雌雄同株,雄花头状,簇集枝端,雌花椭圆状,单生枝端,蕾分叉;球果为长椭圆状卵形,长6-11厘米,鳞片多枚,各有6-9颗种子,要18个才能成熟。

起源

[编辑]

日本金松是一种孑遗植物化石发现在2亿3千年前就已经存在,现代几乎没有和它亲缘关系非常相近的植物。

参考文献

[编辑]
  1. ^ Conifer Specialist Group. Sciadopitys verticillata. The IUCN Red List of Threatened Species. 1998 [11 May 2006]. 

外部链接

[编辑]
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日本金松
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