Saturday, March 7, 2009

Greater Stitchwort

By Derek Williams

Greater Stitchwort is one of the most important of European woodland plants and a distinctive species of central Europe's open broad- leaved forests, particularly oak/hornbeam woods.

It is a welcome sight to foresters because it often grows in conditions indicating suitable sites for the cultivation of valuable timber trees. This is a plant which often occurs in vast decorative masses in flood-plain forests. In mountain beech forests it generally grows in moist humus-rich soils in valley bottoms; at other times it is found in scree ash/maple woods.

Ramsons' association with various kinds of forest indicates a certain adaptability to soil acidity: it is a plant which likes some acid soils as well as some neutral to slightly alkaline soils.

Ramsons was at one time used as a remedy for digestive disorders, just as most plants of the genus Allitun were. It is of Eurasian origin. The Latin name A. ursinutn (bear's allium) is reflected in the many common names it is known by in various languages.

Noteworthy are the violet-brown flowers, borne in April and May, which are symmetrical, hermaphroditic, with three joined petals, twelve stamens and a six-lobed stigma. They have a very aromatic scent reminiscent of pepper.

All alliums contain an essential oil with organic sulphur compounds as the main constituents. Tissues containing the oil are odourless if they remain intact. Only when they are damaged is the natural substance broken up into the pleasantly smelling allicin (an anti-bacterial agent) and other, rather evil-smelling substances.

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