03
May
2009
Quercus pubescens
Trees and shrubs | Magnoliopsida

Scientific name - Quercus pubescens

Synonyms - apennina Quercus, Quercus brachyphylla Kotschy, Olivier infectoria Quercus, Quercus lanuginosa Thuill, Quercus virgiliana Ten.

Popular names - pubescent oak, bush toad, down Oak, Chen pubescent, roverella, Quercia pubescent.

Distribution and Habitat - natural habitat in Southern Europe, Asia Minor, the Mediterranean basin, grows in warm and dry from the hills and mountains up to 1200 m altitude.

Description - deciduous tree, native (Romania), 15 m high. The stem is often crooked, irregular. Crown rare, bright, large and irregular. Bark is thick, deeply wrinkled, forming a cracked ritidom in rectangular plates, dark brown. Leaves alternate, leather, 5-10 x 3.6 cm, oblong-ovata, top round, the cables emarginate, petiole, sinuous lobate or pinnate to pinnate fidate sides, 3-6 pairs of lobes, at first tomentoase on both sides, later glabrata on the upper face. Flowers unisexuat single, female flowers are grouped each 2-4, perianth with 3 3 elements gineceu sincarp, below. Blooming in May. Fruits are acorns Sesi or short pedunculate, with narrow achenes ovoid, acuminata and small cup of 0.8 to 1.5 cm high, small flakes ovat-lanceolata, tightly nested, flat or slightly curved, gray, pubescent.

Quercus pubescens subsp. Anatolia - originating in southwest Asia, southeast Europe;

Quercus pubescens subsp. palensis - originating in northern Spain.

  Quercus pubescens subsp. pubescens - originating in central and southern Europe;

Longevity - 200 years.

Tolerances - drought and frost.

Requirements - species rustic, thermophilic, preferring calcareous soils, well drained, with exhibitions sunny.

Propagation - by seed under greenhouse or shelter immediately after maturation.

Diseases and pests - Tortrix viridana, defolierea produce larvae, Lymantria disappear; Thaumetopoea processionaea, causing reduced production of acorns; Malacosoma neustriae, larvae feed on foliar parenchyma; Cerambix cerdo, adults feed on linfa, larvae dig galleries in the stem. Microsphaera alphitoides, covering the leaf surface with a white cloth, after which the leaves are dried.

Natural partners and Garden -- Abies alba, Acer monspessulanum, Betula sp., Carpinus orientalis, Erica sp., Fagus sylvatica, Ilex aquifolium, Juglans regia, Platanus orientalis, Quercus ilex, Vitex agnus-castus.

Properties and Uses - species of interest in forestry, wood grade, is to be used for firewood.

Bark contains tannin used in leather tabacitul.

It can be used as the tree line, in parks.

References

Gabriele Carraro - Observed Changes in Vegetation in Relation to Climate Warming - Verlag der Fachvereine Hochschulverlag, 1998

Maria Shahgedanova - The Physical Geography of Northern Eurasia - OUP Oxford, 2003

Thomas Laslett - Timber and Forestry - Native and Foreign Trees - Home Farm Books, 2008

See also
Top
Trees and shrubs
Hibiscus syriacus

Hibiscus syriacus - shrub to 3 m high, native of India and China, naturalized in southern Europe. cultivated as an ornamental tree in parks and public gardens, the street alignments or as hedges.

 
Quillaja saponaria

Evergreen tree, 15-20 m high. Leaves simple, alternate, coriacee, limb oval edge gear, 2.5-5 cm long, short stalks. Flowers arranged in dense corymb, hermaphrodite, pentamere, white, 1.5 cm in diameter, calyx of 5 SEPA. Fruit capsule, containing 10-20 seeds.

 
Kigelia africana

Kigelia is a genus with a singke species, which is cultivated as an ornamental tree.

Sausage tree is a tree  whit a invasive root system, so keep it clear of buildings and paving.

 
Mutisia subspinosa Cav.

Undergrowth voluble, 2-3 m long. Strain poorly ramified, glabra, wavy, yellow-green, 3-wing, green wing, needle-spin, axillary buds are white tomentosi. Leaves alternate, Sesia, language hasta, 8-10 x 0.6-1.3 cm, green, toothed margins, 10-14 pairs of teeth mucronata, long-attenuated peak and ended with a Carcel

 
Thunbergia alata - black-eyed Susan

Thunberg spelled - a species native to tropical Africa, but common as ornamental plants.

 
Magnoliopsida
Malus floribunda Siebold

Deciduu tree of 4.10 m high, native of Japan. Bark smooth, red-brown to gray on older branches is gray-brown. Floriferi buds are red. Leaves ovat-elliptic, alternate, deeply marigini soirees, ribbed, dark green in summer, yellow fall, 4-8 cm long, pinnate nervatiune.

 
Salpichroa organifolia

Salpichroa organifolia - perennial, rhizomatic and subfrutescenta. Hailing from South America, naturalized and naturalized French Atlantic coast, around the Mediterranean, Corsica and Spain wet substrates increases from 0 to 600 m altitude.

 
Rosa 'American Pillar'

Rambler, 4-6 x 3 m. The simple flowers grouped in bouquets of flowers or solitary, 5-20, 5-6 cm diameter, red-fuchsia, deep red with a white spot in center, yellow anthers are visible. Leaves dark green, shiny, becoming purple before falling. Bloom once a year in June-July.

 
Gentiana verna L.

Gentiana verna - a species native to southern central Europe, Russia, England and Ireland, increasing the Alpine and subalpine meadows, wetlands, from 400 to 2600 m altitude.

 
Haplophyllum patavinum

Haplophyllum patavinum belongs to the family Rutaceae, dedicated to the city of Padova (IT). Species by extinction due to habitat destruction, species protected by law (in Italy).

 
   Add to iGoogle
Last posts

Categories

Links