Understand text Hedera (English title common ivy (plural form, hedera helix) occurs as genus of astir 10 mintage of climbing or even ground-creeping evergreen woody plants in the family Araliaceae, native to the Atlantic Islands, Europe, North Africa and across Asia east to Japan. In suitable shells (trees and rock faces), they are suspire to climb to at least 25–30 metres above the radical ground level.

It use deuce leaf types, with palmately lobate puerile leaves in creeping & climbing stems, & unlobed heart-shaped adult leaves in fertile flowering stems contaminated to fully sun, ordinarily high in a crowns of trees or even the top of rock faces. A juvenile person & big shoots besides differ, a previous existence slender, flexible & scrambling or even even climbing using microscopic roots to affix a shoot to a substrate (rock or tree bark), the latter thicker, self-supporting, & while forgoing roots. A flowers are produced witharound late fall, one by one microscopic, in Three–Five cm diameter umbels, greenish-yellow, and super rich within nectar, an important late food source for bees and more insects; a fruit come small nigrify berries ripening within late wintertime, & are an significant food for numbers of birds, though poisonous for man. A seeds are dispersed by birds eating the fruit. A leaves come eaten per larvae of some coinage of Lepidoptera such as Small Dusty Wave, Swallow-tailed Moth, Willow Beauty and Lesser Broad-bordered Yellow Underwing.

Species
A mintage come completely allopatric and closely related, and 100% wear occasion been treated when varieties or even race of H. helix, a 1st metal money described. Many extra mintage use at times been described in the southern area of the previous USSR, but are non take to be distinct by virtually all phytologist.

Hedera algeriensis — Algerian english ivy. Northwest Africa. Hedera azorica — Azores common ivy. Azores. Hedera canariensis — Canaries common ivy. Canary Islands. Hedera colchica — Caucasic common hedera helix or even Persian ivy. Northern Turkey to Iran. Hedera helix — Park or even English ivy. American & central Europe, except for the Atlantic coasts. Hedera hibernica — Atlantic ivy. Atlantic coastal areas of Europe from Scotland & Ireland to Portugal. Hedera maderensis — Madeiran english ivy. Madeira. Hedera nepalensis — Himalayan hedera helix. Himalaya, China, Taiwan. Hedera pastuchowii — Pastuchov's english ivy. Central Asia (southern states of the former USSR). Hedera rhombea — Japanese ivy. Japan.

Uses and cultivation
Hedera helix may be popular inside cultivation in their native range, each for attracting wildlife, & for their evergreen foliage; numbers of cultivars with varicoloured foliage (exposure, best) and/or unusual leaf shape develop been selected. It is particularly worthful for covering unsightly bulwarks. English ivy keep around nonetheless proved to exist as the good invasive weed in the parts of North America where winters are not severe, & their cultivation there exists today discouraged around numbers of areas.

Very much hwhen been argued as to whether common english ivy climbing trees might harm the tree or even non; the consensus around Europe is that it don't harm trees significantly, though it can compete for ground food & a water system to a little extent, & trees by using a heavily incubation of ivy may be other liable to windthrow. Problems come greater around Northerly United states of America, inside which trees can be overwhelmed per english hedera helix to a extent it is flushed; this can be because ivy within Northerly America, existence introduced, is while forgoing the natural parasites & diseases that control its vigour in its native areas.

Similar concerns come expressed all about damage to bulwarks. On text these are unremarkably considered that a soundly mortared wall is heavy to the climbing roots of hedera helix & may non become damaged, & is likewise protected from either farther weathering per english ivy keeping rain off the mortar. Bulwarks by owning already feeble or even free mortar might still exist when badly damaged, as a english ivy is entity to root into a infirm mortar & farther decompose a wall.

A title Ivy has as well been applied to many more unrelated plants. Look at a disambiguation report Ivy for details.

Images

Image:variegated-ivy.jpg|Variegated Ivy Image:Hedera_hibernica2.jpg|Hedera hibernica fruit Image:English Ivy Berries.jpg|English Common ivy berries Image:Efeu.jpg|Tempelherrenhaus Weimar Image:Ivy-covered home, Cambridge, Massachusetts.JPG|An ivy-ivied apartment building. Image:Ivy uf1.jpg|Ivy sheets