粉芽

粉芽（soredium，複數為soredia）是地衣常見的一種無性生殖構造[1]，為外觀呈粉狀的繁殖體，由地衣中真菌的菌絲包裹共生的綠藻或藍綠菌而形成。粉芽可能散布於地衣的表面，也可能集中於一個區域，形成粉芽堆（soralia）[2]。粉芽可以風力等方式散播到別處，以產生新的地衣[3]。

橡苔的粉芽

參考資料
  1. Eichorn, Susan E; Evert, Ray F; Raven, Peter H. . New York: W.H. Freeman and Company. 2005: 289.
  2. Brodo, Irwin W.; Sharnoff, Sylvia Duran; Sharnoff, Stephen. . New Haven, CT, USA: Yale University Press. 2001: 762. ISBN 0-300-08249-5.
  3. Cook, Rebecca; McFarland, Kenneth. . Knoxville: University of Tennessee. 1995: 104.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.