Taxonomy The resemblance of the foliage to that of the common European holly, Ilex aquifolium, has led to its common and botanic names. The name ilex was originally the classical Latin name for the holm oak, but later adopted as a botanical genus name for the hollies. Quercus ilex is placed in section Ilex. [7] Quercus rotundifolia, the holm oakballota oak, [4] is an evergreen oak native to the western Mediterranean region, with the majority on the Iberian Peninsula and minor populations in Northwest Africa. The species was first described by Jean-Baptiste Lamarck in 1785.
Encina (Quercus ilex rotundifolia)
Sometimes treated as a variety or subspecies of Q. ilex in the past, Quercus rotundifolia is now generally recognized as a distinct species found in the western quadrant of the Mediterranean basin. It is remarkably rugged, surviving temperatures below -20°C in winter and up to 47°C during summer. Quercus ilex, commonly called holly oak or holm oak, is a medium to large evergreen oak that typically grows to 40-70' (less frequently to 90') tall and features upright branching, dense foliage, a rounded crown with branches extending near the ground and fissured gray bark. Quercus rotundifolia is an evergreen oak tree or shrub with dense, deep green, foliage. Most gardeners treasure this tree for its beauty, but holm oak can also be exceptionally useful as a living privacy hedge, or to create a garden that is sheltered from heavy winds. Blooms: Mid to late spring. Flower Details: Yellowish-green. Leaf Foliages: Dark glossy green above; grey or tawny beneath. Narrowly oval, Ovate-lanceolate. Holly-like glossy leaf. Juvenile plants have a whitish down. Fruit: Acorns. 1.2 to 2.5 cm (0.6 to 1 inch). On stalks, 1 to 3 acorns per stalk. Growing Conditions
Quercus Ilex rotundifolia Leccio
Taxonomic note Quercus ilex subsp. refugiorum is an unpublished name given to plants growing on sea cliffs in the region of Biokovo, Croatia. Plants at Chevithorne Barton grown from seed distributed under this name or its var. subtillima have proven to be typical Q. ilex. Quercus ilex and Quercus rotundifolia forests Forests dominated by [Quercus ilex] or [Quercus rotundifolia], often, but not necessarily, calcicolous. Subtypes: Pal. 45.31 Meso-Mediterranean holm-oak forests: Rich meso-Mediterranean formations, penetrating locally, mostly in ravines, into the thermo-Mediterranean zone. They are often degraded to arborescent matorral (Pal. 32.11), and some of. Quercus ilex L., known as holm oak or evergreen oak, is a broadleaved tree or shrub, which can grow up to 25 m. It is characterised by coriaceous dark green leaves with a woolly lower side, and small acorns. It is native to the central-western Mediterranean basin, where it represents the dominating species in woodlands and maquis vegetation. Quercus rotundifolia Lam. First published in Encycl. 1: 723 (1785) This species is accepted. The native range of this species is W. Medit. It is a tree and grows primarily in the subtropical biome. Taxonomy.
Quercus ilex rotundifolia
Quercus ilex (Holm Oak) is a large evergreen tree adorned with a massive, rounded crown, often with a prominent umbrella form. The leathery leaves, 3 in. long (7 cm), are shiny dark green on top, covered with gray or yellow hairs beneath. Spiny-edged when young (resembling holly leaves), they become smooth-edged with age. Inconspicuous yellow-green flowers (females in small clusters and males. This evergreen oak grows naturally over thousands of hectares of agriculturally low value, shallow, poorer soils in the seasonally dry climates of upland Spain, Portugal, and the Atlas mountains of Morocco. It is adapted to a wide variety of soil types. It can stand frost and short periods of light snow.
Lam. Fagaceae Quercus rotundifolia has often been treated as a variety of Quercus ilex (as Quercus ilex var. ballota (Desf.) A.DC.). We are following the treatment in the World Checklist of Selected Plant Families (http://apps.kew.org/wcsp/synonomy.do?name_id=174888) which treats the two as distinct species [ K ]. + Synonyms Hendrik Brand Published May 2019 in International Oaks No. 30: 277-282 Abstract The dehesa is a man-made ecosystem found in southwestern Spain and Portugal within which Quercus ilex subsp. rotundifolia is the most abundant tree species. There is a great variation in the size and tannin content of their acorns. In the last few decades a few threats have affected these oaks and
Holm Oak, Subsp Do Ilex Do Quercus Rotundifolia Foto de Stock Imagem de esfrege, verde 93203042
One of the very first introductions to the valley was the holly oak (Quercus ilex). It is so named because the foliage resembles that of the toothy-leaved shrub. This evergreen tree comes from the. A distinctive feature of this variety is the large acorns that can weigh over 35 g and are often polyembrionic, i.e. they come with 2-3 embryos and so can sometimes produce 2 or 3 shoots. Another characteristic of these acorns is that they are low in tannins and their taste is neutral or even slightly sweet.
