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Calcium and Vitamin D Supplements Still Don't Work, New Study Says1 month ago in Genomics, Medicine, and Pseudoscience
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The Site is Dead, Long Live the Site1 year ago in Catalogue of Organisms
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The Site is Dead, Long Live the Site1 year ago in Variety of Life
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Does mathematics carry human biases?3 years ago in PLEKTIX
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A New Placodont from the Late Triassic of China5 years ago in Chinleana
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Posted: July 22, 2018 at 03:03PM5 years ago in Field Notes
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Bryophyte Herbarium Survey6 years ago in Moss Plants and More
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Harnessing innate immunity to cure HIV7 years ago in Rule of 6ix
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WE MOVED!7 years ago in Games with Words
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post doc job opportunity on ribosome biochemistry!9 years ago in Protein Evolution and Other Musings
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Growing the kidney: re-blogged from Science Bitez9 years ago in The View from a Microbiologist
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Blogging Microbes- Communicating Microbiology to Netizens9 years ago in Memoirs of a Defective Brain
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The Lure of the Obscure? Guest Post by Frank Stahl11 years ago in Sex, Genes & Evolution
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Lab Rat Moving House12 years ago in Life of a Lab Rat
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Goodbye FoS, thanks for all the laughs12 years ago in Disease Prone
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Slideshow of NASA's Stardust-NExT Mission Comet Tempel 1 Flyby13 years ago in The Large Picture Blog
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in The Biology Files
A plant pundit comments on plants, the foibles and fun of academic life, and other things of interest.
Friday Fabulous Flower - St. John's Wort
Mid-summer is sort of a slow time for our gardens, so we do prize those plants that flower in July and August. Two species of bushy St. John's Wort grow in our gardens, both sort of evergreen, flowering at exactly the same time. The very bright yellow flowers are a great favorite of all the local bees, both in terms of number of visitors and diversity of bee species. And it's easy to see why. How many anthers are there? Botanists will count to 10, but after that it's just "many". Just one pistil (sort of right center) but lots of stamens, a powder puff of pollen. This is from the larger flowered species, Hypericum prolificum, it is not quite hardy at this latitude and portions tend to die over winter, but then new plants pop up now and again, so never had to replace it. H. kamianum seems to be hardier; it is a smaller shrub with smaller flowers and can fit in almost anywhere.
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