Monday, March 2, 2009

Virgin's Bower

By Robert Mills

The green alder is a shrub branching from the base and attaining a height of 1- 3 in. The male catkins are already visible in autumn. The twigs are flattened, brownish-green with whitish warts.

This is a warmth-loving shrub widespread in central and southern Europe. It grows in greatest abundance on rocky, especially limestone hillsides, at the margins of forests, in hedgerows and in pastures. A light-loving species, it stands up well to dry weather. Because it is a host plant of grain rust (Puccinia graminis) it is not welcomed in hedgerows and in the vicinity of fields and is therefore eradicated there. The wood of barberry is lemon yellow.

Popularly planted in parks and gardens as attractive thorny hedges are several colour varieties of the common barberry or the related species Berberis thunbergii with smaller, entire leaves.

Alongside streams and gullies it occasionally descends to lower levels, where it covers uncultivated areas. It suckers freely when cut and also puts out root suckers, by which it is easily propagated.

Blooming early in spring from February to April, the flowers are borne in sessile clusters of 3-5. The fruits are berries which ripen in November to December and contain a sticky juice used at one time by fowlers to catch birds. It is a popular ornamental plant used to decorate homes during the Christmas season.

It grows in western, central and southern Europe and is mostly parasitic on fir and pine trees, and of the deciduous species on poplars, birches, maples, limes and fruit trees. Parasitic on oaks is the closely related yellow-berried mistletoe (Loranthus europaeus), which is deciduous; this species does not occur in Britain, where mistletoe is occasionally found on oaks.

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