The megasporogenesis, female gametophyte development and embryonic development of Ambrosia artemisiifolia L. and Ambrosia trifida L. of genus Ambrosia L. in China were studied using conventional ...
The evolution of female gametophyte development provides an example of how minor ontogenetic modifications can impact the functional biology of seeds. Mature Peperomia-type female gametophytes are ...
Nearly 130 years after Darwin proclaimed the origin and early evolution of flowering plants an “abominable mystery” (Charles Darwin's letter to Joseph Dalton Hooker, 23 July 1879), reconstructing the ...
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