Occasionally, friends have asked me about the life cycles of plants, so here I will attempt to summarize them, in the context of plant evolution. I set the stage by describing the basic pattern of ...
Evolution, Vol. 71, No. 2 (FEBRUARY 2017), pp. 215-226 (12 pages) Many organisms spend a significant portion of their life cycle as haploids and as diploids (a haploid–diploid life cycle). However, ...
IN his paper on apospory and allied phenomena (Lin. Trans. Bot., 2nd series, vol. ii. p. 301) Prof. Bower says: “Already the observations of Pringsheim and Stahl have had their effect in demonstrating ...
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