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非洲天门冬

非洲天门冬
科学分类 编辑
界: 植物界 Plantae
演化支 维管植物 Tracheophyta
演化支 被子植物 Angiosperms
演化支 单子叶植物 Monocots
目: 天門冬目 Asparagales
科: 天门冬科 Asparagaceae
属: 天門冬屬 Asparagus
种:
非洲天门冬 A. densiflorus
二名法
Asparagus densiflorus
(Kunth) Jessop

非洲天门冬学名Asparagus densiflorus (Kunth) Jessop[1],又名非洲武竹天門冬科 (或傳統上屬百合科) 天門冬属植物。原產于非洲南部中国大陆上海市浙江省湖北省江苏省等地,目前已由人工引种栽培,偶見逸出[1]。是一种优良的观叶植物,夏季开白色或淡红色小花。

分類

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狐尾武竹

學名種小名densiflorus密花之意[2],指其花序通常為總狀圓錐狀花序,每個花序密生多數花朵[1]

另一種常見的狐尾武竹 (Asparagus densiflorus (Kunth) Jessop 'Myers'栽培品種名稱為"Myers")是一個非洲天門冬的栽培品種。其枝條及(其假葉)密生,且呈現狐狸尾巴的樣子[3]

形態

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非洲天門冬是多少具攀緣性的亞灌木,枝條可長達1米。葉狀莖 (或稱為假葉,cladode,特化成為狀的) 1枚至5枚聚生於退化的鱗片狀葉腋,線形,長1厘米至3厘米,寬1.5毫米至2.5毫米。葉常形成倒鈎狀,在主枝條常木質化,尖銳,側枝上的葉刺則較軟且不尖銳。[1]

花序在假葉之後發育,單一或成對腋生,每個花序是具多朵花朵的總狀花序圓錐花序,長2厘米至2.5厘米;苞片線形,2毫米至5毫米,花梗約2毫米,中央具關節。花被白色,花瓣長約2毫米。雄蕊較花被短,極小。[1]

漿果紅色,直徑8至10毫米,內有種子1或2顆。[1]

花期:全年開花。[1]

染色體數目:2n = 40, 60。[1]

注釋

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  1. ^ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 Flora of china 24: 210. 2000.. [2011-06-25]. (原始内容存档于2021-03-04). 
  2. ^ Dictionary of Botanical Epithets页面存档备份,存于互联网档案馆),densiflorus = densely flowered。2011-06-26。
  3. ^ 2010臺北花卉博覽會/植栽資料庫[永久失效連結]

参考文献

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  • 昆明植物研究所. 非洲天门冬. 《中国高等植物数据库全库》. 中国科学院微生物研究所. [2009-02-22]. (原始内容存档于2016-03-05). 
  • Auld, B.; Medd,R. (1987) Weeds., page 30.
  • Chen, X. Q. (陈心启, Chen, S. C.), Liang, S. Y., Xu, J. M., Tamura, M. N. 2000. Liliaceae. In: C. Y. Wu, P. H. Raven & D. Y. Hong. Fl. China. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis. 24: 210.(非洲天门冬页面存档备份,存于互联网档案馆),retrieved 2011-06-27)
  • Harden, G. (ed) (1993) Flora of NSW., vol. 4, page 46.
  • Parsons, W.; Cuthbertson, E. (1992) Noxious Weeds of Australia., pages 47–48.

外部链接

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非洲天门冬
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