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 ...
International Journal of Plant Sciences, Vol. 159, No. 2 (Mar., 1998), pp. 358-366 (9 pages) Vegetative shoots, ovulate cones, and putative seeds of Conewagia longiloba gen. et sp. nov., a fossil ...
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 ...
Andrew Leslieteaches earth and planetary sciences at Stanford University. Speaking to Times Evoke, he traces the evolution of plants through deep time: As a palaeontologist and natural historian, I ...
When we think about the Mesozoic world, dinosaurs often dominate our attention. They are the stars of countless museum displays and restorations, and everything else about their world just seems like ...
This week on Backyard Farmer focus on spring rose care and conifer cones This week on Backyard Farmer we’ll focus on spring rose care and interesting cone development on conifers.
STEPHEN RYAN: Remember those cones I showed you before. They're beautifully constructed things. These ones are off a tree called Cedrus deodara or Indian Cedar and it makes a wonderful large specimen ...
Every day is Christmas for a seed-eating bug with a fondness for pine cones. The insects home in on their dinner thanks to special infrared receptors that detect heat emitted by the conifer cones, ...
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