![]() ![]() Petiole 15 cm (8-10 cm on old trees, to 20 cm on young trees). The leaves vary much in size with age of the tree and vigour of the shoot. Leaves simple, opposite, deciduous, generally five-lobed, 12 by 15 cm, with shallow, open identations between short acuminate lobes, green on both sides and borne on reddish stalk that emits a milky liquid when broken. Buds tall-ovoid terminals dark red or red-brown, laterals green appressed. Bark is pale grey, smooth, finely folded, or shallowly ridged in a network. Girth growth remains vigorous, up to 3 cm per year for 100 years. Growth is rapid during the first 30 years or so, by which time it can reach 18-22 m in height ( Evans, 1984). Crown is tall-domed, sometimes very broad on a short stem open in winter with rather short perpendicular shoots and often thin bunches of persistent fruits. Straight stem and erect, glabrous, green to brown branches. ![]() at maturity 60-80 cm, although exceptionally to 150 cm. Some information in this section is based on Mitchell (1974).Ī large tree, to 25-30 m, with d.b.h. Fruits are di-samaras, 6-10 cm across the pair, greenish yellow when ripe with flattened carpels and broad flattened wings set at a wide angle and not narrowing toward the base (e.g. Flowers open before leaves in late March, and last well into April until leaves are newly expanded. ![]() Each flower monoecious, 6-8 mm, bright acid-yellow-green with five oval petals and a big, green disc. Flowers in erect pubescent panicles of about 30-40 flowers. Autumn colour generally butter-yellow towards the end of October, but occasional trees may be scarlet in early October, and in some years most turn from yellow to orange. The leaves vary greatly in size with tree age and vigour of the shoot. Leaves simple, opposite, deciduous, generally five-lobed, 12 x 15 cm, with shallow, open indentations between short acuminate lobes, green on both sides and borne on reddish stalk that emits a milky liquid when broken. Shoots pinkish-brown or olive-brown, buds ovoid terminals dark red or red-brown, laterals green appressed. The crown is tall-domed, sometimes very broad on a short stem open in winter with rather short perpendicular shoots and often thin bunches of persistent fruits, and with very dense foliage in summer. It has a straight cylindrical stem and erect, glabrous, green to brown branches. plantanoides is a large tree, 25-30 m tall, with a dbh at maturity of 60-80 cm, exceptionally to 150 cm. In the past in Norway and Sweden, sugar was obtained from the sap. Norway maple yields a good quality hard wood, sometimes with attractive wavy grain or figure, which is often used for furniture and cabinet work, flooring and tool handles. It has attractive flowers and good autumn colour - mostly bright gold to orange, but in some cases bright red. pseudoplatanus and does not live as long ( Savill, 1991). pseudoplatanus) for the first 30 years or so, but does not reach such large dimensions as A. It grows very fast when young, usually faster than sycamore maple ( A. It thrives on both acid and calcareous soils. It is a popular ornamental tree and has been planted extensively in cities throughout Europe and North America, due to its ability to tolerate pollution. platanoides is a large, fast-growing tree, native to central and northern Europe, Asia Minor, Caucasus as far east as northern Iran, and introduced into many countries, e.g. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |