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Scientific Name– Alnus cordata Loisel. Synonim– Alnus cordifolia Common name(s)– alder of Corsica, Hartbladige Els, Italian alder, Ontano napoletano, Herzblattrige Erle. Distribution and Habitat– native to Corsica and South Italy; occurs naturally on damp soils, in poorly drained areas and depressed sites. Description– deciduuous tree, 10-15 (30) m tall; crown ovoid-conic. Bark greenish grey with numerous lenticels when young, later becoming a light grey-brown with small fissures. Twig slender, olive green, lenticels. Buds are stalked, green turning red an 0.6 cm long. Leaves alternate, simple, broadly oval to rounded, 5-10 cm long, base cordate, margin unevenly toothed, glossy green above, paler with a few scattered brown hairs below in vein axils and along midrib, petioles 2-3 cm long. Flowers monoecious, males flowers yellow-green, in aments elongated, 5-13 cm long, in clusters 3-5 (2); females flowers 6 mm, reddish green turning into a small cone, strobil 2.5-3 cm long, persistent in winter. Flowering in February-March. Fruit woody, 2 - 2.5 cm long, green turning reddish brown when ripe. Winged seeds. Growth rate– fast growth. Tolerances– it tolerates wet soil, but needs ample water. Requirements– does well in dry, acid, neutral and alkaline soil. Management– Propagation– seeds are best sown in a cold frame as soon as it is ripe and only just covered. When large enough to handle, seedlings should be pricked out into individual pots. Plant them out into their permanent positions in the summer.
Cuttings of mature wood, should be taken as soon as the leaves fall in autumn, and be planted outdoors in sandy soil. Pest and Diseases– is susceptible to chlorosis in very alkaline soils. Cultivars– 'Sipkes' 20 m tall, dark and glossy green leaves, recommended habit for a street tree. Properties and Uses– the tree is grown as an ornamental in gardens and parks and as a road-side. Is a windbreak or hedge for maritime areas. Alder trees has a symbiotic relationship and fix atmospheric nitrogen, utilized by the growing plants and enables it to grow well in quite poor soils. Curiosity– Bibliography Andreas Roloff, Andreas Bartels - Flora der Geholze - Ulmer, 2008 Cecil C. Konijnendijk, kjell Nilsson, Thomas B. Randrup, Jasper Schipperijn - Urban Forest and Trees - Springer, 2005 Katharina Pawlowski, William E. Newton - Nitrogen-fixing Actinorhizal Symbioses - Springer, 1ed, 2007 Michael A. Dirr - Dirr's Hardy Trees and Shrubs - Timber Press, 2ed, 1997
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See also
 Trees and shrubs
Fremontodendron californicum
Fremontodendron californicum - originating in Baja California, California and Arizona. Genus was named by JC Fremont. Skimmi japonica
Evergreen shrub. Branches erect. Leaves green, alternate or subverticilate, 6-21 x 2.5 cm, limb oblong, coriaceu, top acuminata, edge entire, nervatiune pinnate. Flowers arranged in terminal panicule, small flowers, hermaphrodite Canarina canariensis
Canarina canariensis - herbaceous, commutes glaucescenta. Endemic from the Canary Islands, Tenerife, grows at the edge of forests, from 300 to 1000 m altitude. Carpinus betulus
Carpinus betulus - hard wood shaft with durable but less humid conditions. Suprta trimming and better suited for bonsai training. Tilia cordata - Small-leaved lime, lime hill
Scientific Name - Tilia cordata Synonyms - Tilia parvifolia Ehrh., Tilia ulmifolia Purpose .. Names of people - small-leaved lime, lime sulfur, lime hill, Littleleaf Linden, Lindenbluten, Tiliae flos, Fleur de Tilleul. Distribution and Habitat - originating in Europe, grows on nutrient-rich soil in warm areas. Description - tree, 20 feet tall. Trunk as thick (can reach up to 1 m diameter). Bark on young specimens is smooth, gray to dark gray becomes mature specimens or brown, pitted. Crown oval, conical. Olive-green stems, at first pubescent then glabrata. Buds 4-6 mm long, usually two outer scales unequal, shiny, olive-green to red-brown, terminal bud is absent. Leaves alternate, simple, subrotunde - ovate, 5-7 c Tilia cordata - tree, native of Europe, increases in nutrient-rich soil in warm areas. Lime flowers are the most popular remedy for colds and flu, tea is used to treat headaches, anxiety and nervous tension. Magnoliopsida
Thunberg grandiflora Roxb.
Perennials, voluble. Stem thin, green, 2 m height. Leaves opposite, language ovat-lanceolata, acuminata peak, the cordata, margin entire, lobate or iregulat needle, 15 x 10 cm, short stalks, 3.5 ribs. Blue flowers with yellow, white on the outside, 8 x 8 cm, arranged in bouquets with individual pedicel 4-5 cm long, corolla tube 3 cm long Ceratonia siliqua L.
Dioecious tree, 8 meters high. Body iregulat, erect with the latita. Gray-brown bark with longitudinal fissures. Vast and dense crown. The branches are fine young tomentoase become glabrata with timpu. Leaves persistent, alternate, paripenat-compound, with 2.5 pairs of Folio, ovata, coriacee, margin entire, glossy dark green on the upper Rosa gallia L.
Bush, 100-150 cm tall, robust system radically, lignificat produces underground runners. The stems are green, with red points. Leaves imparipenate; 3.7 Folio, oval or elliptical, or short stalks Sesi, evening edge, glabra upper surface and glossy, the lower part is lighter and has many glandular hairs Horminum pyrenaicum
Horminum pyrenaicum - herbaceous plant, perennial, rizomatoasa, native to Europe, alpine meadows and subalpine grows on limestone bedrock, from 1500 up to 2500 m altitude. Portulaca grandiflora
Portulaca grandiflora - annual species, succulent, native to Brazil. Can be used in parks and gardens as ornamental species for borders or pots on terraces species for sunny. |
 
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