Download e-book for iPad: A Field Guide to Trees and Shrubs: Northeastern and by George A. Petrides

By George A. Petrides

ISBN-10: 039535370X

ISBN-13: 9780395353707

Детально охарактеризованы все дикорастущие деревья, кустарники и древесные лианы, обитающие к югу от Ньюфаундленда, к северу от Северной Каролины и Тенесси, к востоку от Дакоты и Канзаса. Охарактеризованы 646 вида, включая форму и расположение листьев, высоту, цвет, строение кроны, сезон цветения и плоды. Четкие рисунки показывают листья, цветы, силуэты деревьев и прочие характеристики.
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Additional resources for A Field Guide to Trees and Shrubs: Northeastern and North-Central United States and Southeastern and South-Central Canada

Example text

Bur Apple These are stout plants that are low-branched and up to eight feet long. The leaves are gray, simple, and 410 inches long. The flowers are buglelike, white, and 67 inches long. The fruits are covered with stout spines. Each fruit is a capsule that is 11 1/2 inches in diameter and almost globose. They grow in sandy loam soils and are widely distributed. Other names are Thorn Apple, Low Jimson Weed, and Datura. Buffalo Bur These plants are 12 feet tall, freely branched, and covered with sharp, yellow spines.

The leaves are broadest near the tips, slightly serrate, and 12 inches long. The flowers are about 1/2 inch broad with five white petals. The fruits are yellow brown until fully mature in October; then they are red. They are globose and about 1/4 inch in diameter. They grow in open woods of lower slopes over a wide area. Other names are Small-fruited Thorn, Small-fruited Haw, and Hawthorn. Soapberry These trees reach a height of 4050 feet and are freely branched. The leaves are pinnately compound with 719 leaflets.

Each one is glossy, globular, and about a fourth inch in diameter. These are the most numerous of our species of greenbriers. They prefer sandy loam soils and are widely distributed. The fruits mature in the fall and remain attached into the winter months. Other names are Bristly Greenbrier and Bramble Vine. Possum Grape These plants are high-climbing vines that are smooth and woody. The leaves have large, simple, irregularly toothed blades. The flowers are in loose clusters and very small. The fruits are purple to black and glossy when mature.

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A Field Guide to Trees and Shrubs: Northeastern and North-Central United States and Southeastern and South-Central Canada by George A. Petrides

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