Established in the summer of 1997 by Christopher Earle, the Gymnosperm Database is about what you’d expect-a site full of information about conifers and related trees. Navigaton is simple . Users move ...
This paper includes a survey of the nature of the primary vascular system in a large number of extinct gymnosperms and progymnosperms. The vascular system of a majority of these plants resembles ...
Who knew that the trees were at war? (At least, that’s the first image that came to mind when I read that the Gymnosperm Database is “the web’s premier source of information on conifers and their ...
Conifer forests cover much of our planet's northern hemisphere. And yet we know rather little about their genetics — breeding is difficult owing to their long life cycles — or their genomes, which are ...
ARGUABLY the world’s weirdest plant, Welwitschia mirabilis is a tangled mass of shredded, fraying leaves in the Namib desert. For a thousand years, perhaps more, it grows just two long leaves, which ...
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, ...
In the plant world, the division between gymnosperms and angiosperms is great. Gymnosperm is the older of the two classifications; the word means "naked seed." Conifers are the most common gymnosperms ...
GAINESVILLE, Fla. --- Plants are DNA hoarders. Adhering to the maxim of never throwing anything out that might be useful later, they often duplicate their entire genome and hang on to the added ...
India's first Gymnosperm garden, established by the Uttarakhand forest department, showcases 27 crucial Gymnosperm plant species including endangered varieties like Ginkgo and Thuner. The garden, ...
Named for Charles Darwin, the only known specimen of a newly discovered beetle, Darwinylus marcosi, died in a sticky gob of tree sap some 105 million years ago in what is now northern Spain. As it ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果