Gymnosperm means “naked seed” and comes from the same Greek root as gymnastics, which means to exercise naked. This group of plants is so named because the seeds are not enclosed inside an ovary, ...
I suggest that this search for the forerunners of the Angiosperms might more profitably be directed towards gymnospermous plants occurring in the Middle Cretaceous period immediately before the ...
boasting the world's largest number of bird species and gymnosperm varieties. But China's biodiversity is faced with a critical situation: 15 to 20 percent of higher plant varieties are endangered ...
The angiosperms are the most recently derived plant group, originating some 160 million years ago and becoming widespread around 120 million years ago. Angiosperm means “enclosed seed,” referring to ...
This specimen is interpreted as fluid-feeding on gymnosperm plant fluids. Specimen CNU-M-LB2005-002-2, housed at Capital Normal University in Beijing, China. This image relates to an article that ...