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, ...
The Jurassic was a world dominated by gymnosperm plants, such as conifers, which produced sugary nectar to capture pollen from the air. The primitive insects may have fed on this nectar ...
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 ...
Arber's account of aquatic plants was the first general description of these plants published, and provides a classic example of the comparative anatomy ... The life-history of the marine Angiosperms ...
Plants without distinct leaves, but the apparent function of leaves replaced by the presence of very numerous broad, flattened rhombic phylloclades (each derived from a much modified expanded and ...
What was their great innovation? Botanists call flowering plants angiosperms, from the Greek words for "vessel" and "seed." Unlike conifers, which produce seeds in open cones, angiosperms enclose ...
Flowering plants, or angiosperms, make up about 90% of all living plant species, including most food crops. In the distant past, they outpaced plants such as conifers and ferns, which predate them ...
That's because pinecones, a type of gymnosperm, are resistant to mold and fungi ... as birds not only assist in pollinating plants but also dine on pests and help control weeds. One way to attract ...
Most research on plant stem cells focuses on the tips of roots and shoots, where growth occurs in height. But biologist ...
Those of most interest to gardeners are the flowering plants (Angiosperms) that consist of 416 plant families ... so daffodils and irises, for example, meet the biological definition, but not the ...
Mutualistic interactions are mutually beneficial species interactions. Plant-pollinator mutualisms are particularly important, and involve nearly 170,000 plant and 200,000 animal species.
This article will consider a few examples of innovations going through ... the world’s smallest true plant species -also known as Water lentils or Duck Weed. These are tiny spherical plants ...