In much of the country, much of the landscape goes barren from fall through spring. Evergreens are typically the workhorse plants that carry us through. But not all evergreens are created equal. A ...

Fossil conifer cones can still move their individual seed scales after millions of years, biologists have found. The cones analyzed in a new study represent the oldest known plant structures that are ...

Robert Brown (1827) recognized the distinction between the two major classes of seed plants on the basis, respectively, of exposed ovules, which receive pollen directly, and enclosed ovules, which do ...