Spruces do not retain their needles for long, the needles are quite sharp, and the needles are not aromatic like those of firs. Norway spruce has very dark green needles. It retains them longer than ...

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 ...

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, ...

Around 90 per cent of land-dwelling plants are ones that flower and bear fruit, called angiosperms. These flowering plants ...