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Posted on April 7, 2009 by Ash
Friday was another of summer’s outriders – a beautiful blue sky and warm enough for shorts and t-shirts, even in the wind on top of a hill. I fitted in a little trip to those goat willows I have under observation (my third in a fortnight) before heading off for the first barbeque of the year, on a sixth floor balcony no less. I took plenty of photos of larch roses on the way, but there has already been plenty of those on treeblog recently. In comparison, the male flowers have been underrepresented on these pages, so let’s start off with some.
A line of male European larch (Larix decidua) flowers. They look like tiny little birds’ nests or baskets full of tiny little eggs to me.
And on the same tree, brand new needles are emerging from a particularly knobbly bit of branch.
The Lonely Oak. Seen from ‘behind’, it doesn’t appear anywhere near as iconic (or lonely) as it does in the classic view.
The eastern Salter Hill, whose summit is home to the ruins of a WWII-era enemy plane spotting post. The branches hanging overhead belong to an ash tree (Fraxinus excelsior). I haven’t seen any ashes showing signs of flushing so far this spring, but they always are one of the later ones to come into leaf.
Three female goat willow (Salix caprea) catkins…
…and a pair of male goat willow catkins in different stages of flowering. At the moment, the male goat willows closer to Sheffield appear pale yellow from a distance because they are already covered with catkins at the same stage as the one on the left above. However, the males in this particular group, halfway up the Ewden valley, still have most of their catkins at the same stage as the one on the right above: this isn’t the right word, but they aren’t quite ripe yet. There are exceptions though, as evidenced by the above photograph. How far those stamens extend!
By the way, I tried the experiment I proposed in the previous post (If the bark is stripped from a two-year [grey willow] shoot, it reveals fine ridges absent in S. caprea). The result: no fine ridges. The conclusion: these really are goat willows and not grey willows.
Female common alder (Alnus glutinosa) flowers (and to the right, some of the male flowers). These will ripen into the little woody cones that are one of the alder’s distinguishing features: they are retained throughout the winter, and the old cones are very prominent on leafless alders.
A big ash. Backed up by old maps, I believe that a century or so ago this area would have been fields, probably rough grassland type. In time they were left to go wild, as you can see, with birch and goat willow and alder and bracken (among others) successionally muscling in. The 1894 map has tree symbols along the field boundaries. Are these supposed to symbolise hedgerows or individual large trees? This ash is one of the largest trees here today, but is it old enough to have been one of those large individuals a century ago? I digress. There is an old hawthorn standing right next to the ash (obscured in the above photo) that is split open and all charred inside. I reckon it must have been struck by a bolt of lightning that also damaged the ash, which has had much of the bark at its base removed. Both trees are still alive and new growth is starting to close over the wounds.
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