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Monthly Archives: April 2014
Bluebells… and pinkbells and whitebells
There is something quintessentially English about the bluebell. The sight of a blue carpet spread beneath newly greening leaves in woodland is rarely repeated in the remainder of Europe. Our native species of bluebell, Hyacinthoides non-scripta, the Common bluebell, is found … Continue reading
Rare rust on lords and ladies
This is the parasitic rust fungus Puccinia sessilis stated to be rather rare on Arum maculatum. Many rusts manage the difficult trick of parasitising two entirely unrelated host plants, in both cases establishing a close relationship which allows the fungus … Continue reading
Posted in Araceae, Fungi, Plants
Tagged arum maculatum, Mycodiplosis, Phalaris arundinacea, Puccinia sessilis
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Under attack!
Holm oak (Quercus ilex) is a Mediterranean tree species that was introduced to Britain in the 1500s. Unlike our native oak species, Holm oak is evergreen and holds its leaves all year round. It’s latin name, ilex, refers to the fact … Continue reading
You can’t keep a good plant down
It always amazes me how strong plants can be when they have a huge store of food underground to draw upon. American skunk-cabbage (Lysichiton americanus) produces vivid yellow spathes behind the cylindrical spike of its rather small and insignificant flowers. … Continue reading
Posted in Araceae, Flowering Plants, Plants
Tagged American skunk-cabbage, Lysichiton americanus
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Pollination: by wind or insect?
In many plant genera the same pollination method (or combination of methods) is found in every species. Not so in Acer. The vast majority of Acer species are insect pollinated. The flowers are strongly scented due to the presence of large amounts … Continue reading
Posted in Flowering Plants, Plants
Tagged Acer negundo, Acer platanoides, Aceraceae, Ash-leaved maple, Boxelder, Norway maple, pollination, tree
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Smothered in white
White blister rust is a disease that is mis-named as it is not actually caused by a rust fungus. The perpetrator is an oomycete. This group have traditionally been included in the fungi and have long been studied by mycologists … Continue reading