Tuesday, March 3, 2009

Quince

By Marie Austin

Blackthorn is a densely branched thorny shrub growing to a height of 1-5 m. The bark on the stem is blackish-brown and the lateral twigs have a terminal spine. The buds are small and ovate; the flower buds arc generally borne in dense clusters on short twigs. The whitish flowers appear in April -- May before the leaves. The fruits, known as sloes, ripen in September-October and are astringent, becoming tastier after the first frosts. The brown, pitted seed is difficult to separate from the pulp.

Cultivated varieties bear fruits from 5 to 11 cm across. These are either pear-shaped - C. o. pyriformis or apple-shaped - C. o. maliformis and contain a large number of brown seeds measuring 4-6 mm.

A native of the area bordering the Caspian Sea, it grows on sandy and loamy soils around lakes as well as on dry banks. In central and western Europe it is cultivated in parks and gardens for its fruits and as an ornamental species. It grows best in a sunny spot, and tolerates dry situations. In Europe it is frost-resistant only in warmer regions. The fruits are edible and used either raw or cooked. Propagation is by means of seeds or green cuttings.

It is a native of Asia Minor, Iran and Caucasia, where it grows on richer soils in open broadleaved woods. It tolerates moderate shade. Cultivated varieties of this species arc widely planted in the parks and gardens of central and western Europe.

They are rich in Vitamin C, have a pleasant aromatic scent, and can be used in making preserves. The ovary contains a large number of brown, apple-pip-like seeds. This shrub is a native of the Shantung Province in China but has been cultivated in Japan for centuries. It is widely grown in the parks and gardens of central and western Europe for its lovely flowers.

It also stands up well to temperatures of minus 20C and grows on drier soils ; however, it requires a sunny aspect to produce a profusion of flowers. It is readily propagated by means of seeds and also throws up root suckers. Solitary specimens are very ornamental but it is equally well suited for the formation of thick thorny hedges.

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