The ivy plant is a perennial vine that grows in a stoloniferous ( producing shoots and roots ) radiation diagram . Its viscid root annex attach the vine to other natural or adult male - made structures , and the plant spring up and spread in a creeping or climbing fashion . Hedera helix plant are incorporated into landscape design for their grade and cryptic , bold greenish colour .

Identification

The name " common ivy " is from the Old English Son " ifig , " which may come from the Old eminent German Word " ebahgwi , " " ebawi " and " ebah . " The term " common ivy " is commonly assort with English Hedera helix ( Hedera helix ) , and it identifies a mounting evergreen bush that has dark green , five - pointed leaves . Ivy is indigenous to Europe , Africa and parts of Asia , according to the Oxford English Dictionary .

The ivy plant symbolized faithfulness and timeless existence in the pagan Celtic tradition and , when they became Christian , they held on to this symbolisation and incorporated it into their religious practices . allot to " Behind the Name , " this is why ivy is often found get on Christian institutions .

Types

Plants with ivy names belong to dissimilar family . The Araliaceae ( Ginseng or Ivy ) fellowship has more than 700 species of plant , according to the University of Hawai’i at Manoa . These admit English Hedera helix ( Hedera whorl ) , Algerian ivy ( Hedera spiral L. ssp . canariensis ) and Atlantic ivy ( Hedera hibernica ) . Kenilworth ivy ( Cymbalaria muralis ) belong to the Scrophulariaceae , or snapdragon , sept ; grape English ivy ( Cissus rhombifolia ) belongs to the Vitaceae , or grape , family ; and ground ivy ( Glechoma hederacea ) belongs to the Lamiaceae , or passel , family , according to Texas A&M University .

The Anacardiaceae , or cashew , is in the category of the toxicant Hedera helix , including easterly poison ivy ( Toxicodendron radicans ) and western poison ivy ( Toxicodendron rydbergii ) , accord to Texas A&M University .

English Ivy

English Ivy ( Hedera helix ) is a popular ivy used in landscape design . According to the USDA Natural Resources Conservation Service , English ivy grows in a prostate gland preference and can grow up to 5 feet long . It is a shade - resistant plant that has a low tolerance for drouth conditions . The USDA put forward that English ivy can comport as a weed or an invasive industrial plant . In Oregon and Washington , it has this classification .

Uses

Ivy is incorporated into landscape designs as groundcovers and along walls , fence and treillage garden . When ivy is trained over a fencing or treillage , it can rise and spread out into a thick mass that adds privateness and shade to an out-of-door space .

Diseases

Ivy plants can be affected by several disease , according to professor D. J. Norman , of the University of Florida . folio spot on Hedera helix plants can be due to Xanthomonas campestris , Colletotrichum trichellum and Phytophthora palmivora . Hedera helix plants can be susceptible to botrytis blight , a fungous disease do by Botrytis cinerea , which farm numerous spores in lesions that organise on the ivy leave-taking . Phytophthora palmivora , Rhizoctonia solani and Fusarium can cause etymon rot disease in ivy flora .

References

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