A collaborative research group has succeeded in identifying an important transcription factor, GCAM1, which allows liverwort plants to asexually reproduce through creating clonal progenies (vegetative ...

American Journal of Botany, Vol. 77, No. 12 (Dec., 1990), pp. 1582-1598 (17 pages) Since the initial discovery of double fertilization in angiosperms in 1898, a number of reports of double ...

The characteristics of flowers influence most aspects of angiosperm reproduction, including the agents of pollination and patterns of mating. Thus, a clear view of the forces that mediate floral ...

In the flowering plant world, reproduction means an intricate succession of events. It begins when a pollen grain that carries the sperm cells lands on the top of the pistil, the female reproductive ...

The categories glycophyte, intolerant halophyte, facultative halophyte, and obligate halophyte were defined in relative terms. An obligate halophyte was defined as a plant with optimal growth at ...

Flowering plants may have evolved 250 million years ago, more than 100 million years earlier than the oldest fossilised flowers so far found. Today, flowering plants – known as angiosperms – are the ...

Scientists have discovered a 100-million-year-old chunk of amber that captures what they say is the oldest evidence of sexual reproduction in a flowering plant. The now-extinct but well-preserved ...