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7af0ec989b0c2545a5b498d60960eb4c1
2009-02-10 11:30:29

A new University of Florida study based on DNA analysis from living flowering plants shows that the ancestors of most modern trees diversified extremely rapidly 90 million years ago, ultimately leading to the formation of forests that supported similar evolutionary bursts in animals and other plants. This burst of speciation over a 5-million-year span was one of three major radiations of flowering plants, known as angiosperms. The study focuses on diversification in the rosid clade, a group...


Latest Flowering plant Reference Libraries

31_cf4234e4a38991342151f0b642aec3bb
2005-07-12 12:07:29

Waterlilies (Nymphaeaceae) belong to the Order Nymphaeales. They are tuberous plants that are rooted in soil in bodies of water, with leaves and flowers floating on the water surface. The leaves are round, with a radial notch in Nymphaea and Nuphar, but fully circular in Victoria. Modern genetic tests of the flowering plants by the Angiosperm Phylogeny Group have shown that the water-lilies are among the most primitive of the flowering plants. The white water-lily is the national flower...

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Word of the Day
humgruffin
  • A terrible or repulsive person.
Regarding the etymology of 'humgruffin,' the OED says (rather unhelpfully) that it's a 'made-up word.' We might guess that 'hum' comes from 'humbug' or possibly 'hum' meaning 'a disagreeable smell,' while 'gruffin' could be a combination of 'gruff' and 'griffin.'