''Plectranthus verticillatus'' (

syn. The Botanical and Zoological Codes of nomenclature treat the concept of synonymy differently. * In botanical nomenclature, a synonym is a scientific name that applies to a taxon that (now) goes by a different scientific name. For example, Linnae ...

''Plectranthus nummularius''), Swedish ivy, Swedish begonia or whorled plectranthus is a plant in the family

Lamiaceae The Lamiaceae ( ) or Labiatae are a family of flowering plants commonly known as the mint, deadnettle or sage family. Many of the plants are aromatic in all parts and include widely used culinary herbs like basil, mint, rosemary, sage, savory ...

(Labiatae), genus ''

Plectranthus ''Plectranthus'' is a genus of about 85 species of flowering plants from the sage family, Lamiaceae, found mostly in southern and tropical Africa and Madagascar. Common names include spur-flower. ''Plectranthus'' species are herbaceous perennia ...

''. Despite its common name, it is not close to the ivy family of the genus '' Hedera''.

Description

The plant has aromatic glossy, green, round

leaves A leaf (plural, : leaves) is any of the principal appendages of a vascular plant plant stem, stem, usually borne laterally aboveground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", wh ...

, which show a deep purple color in the center sometimes and tend to trail, reaching a height of between 10 and 30 cm and extends around 60 cm. This deep purple can also be found on the

plant stem A stem is one of two main structural axes of a vascular plant, the other being the root. It supports leaves, flowers and fruits, transports water and dissolved substances between the roots and the shoots in the xylem and phloem, stores nutrien ...

s and on the underside of leaves. The leaves, which are widely serrated, are fleshy and rounded between 64 and 90 mm, with purple and hairy undersides with reddish

sessile Sessility, or sessile, may refer to: * Sessility (motility), organisms which are not able to move about * Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant * Sessility (medicine), tumors and polyps that ...

glands. The upright

raceme A raceme ( or ) or racemoid is an unbranched, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are produced as the s ...

s appear white, pale violet or pale pink and can sprout sporadically throughout the year (but more typically in spring and late autumn), which form verticillasters of 2-4 flowers and 2–3 mm

bract In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis or cone scale. Bracts are usually different from foliage leaves. They may be smaller, larger, or of ...

s. The fruits are 1 mm nuts, brown in colour and wrinkled. The name "Swedish ivy" is deceptive: the plant is not thigmotropic (meaning it does not cling to walls with the roots when it grows), is not native to Sweden, and is not closely related to the genus of

ivy ''Hedera'', commonly called ivy (plural ivies), is a genus of 12–15 species of evergreen climbing or ground-creeping woody plants in the family Araliaceae, native to western, central and southern Europe, Macaronesia, northwestern Africa and ...

(''Hedera''). Some variegated, silvery plants called Swedish Ivy grown in pots and hanging baskets are '' Plectranthus oertendahlii ''from coastal river gorges of KwaZulu-Natal.

Distribution

''Plectranthus verticillatus'' is native to

southern Africa Southern Africa is the southernmost subregion of the African continent, south of the Congo and Tanzania. The physical location is the large part of Africa to the south of the extensive Congo River basin. Southern Africa is home to a number of ...

where it occurs in the Cape Provinces,

KwaZulu-Natal KwaZulu-Natal (, also referred to as KZN and known as "the garden province") is a province of South Africa that was created in 1994 when the Zulu bantustan of KwaZulu ("Place of the Zulu" in Zulu) and Natal Province were merged. It is locate ...

Eswatini Eswatini ( ; ss, eSwatini ), officially the Kingdom of Eswatini and formerly named Swaziland ( ; officially renamed in 2018), is a landlocked country in Southern Africa. It is bordered by Mozambique to its northeast and South Africa to its no ...

, the Northern Provinces and southern

Mozambique Mozambique (), officially the Republic of Mozambique ( pt, Moçambique or , ; ny, Mozambiki; sw, Msumbiji; ts, Muzambhiki), is a country located in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi ...

.cf. ''World Checklist of Selected Plant Families''
Plectranthus verticillatus_id=158574
Retrieved 13 February 2013. It is found naturalized in

El Salvador El Salvador (; , meaning " The Saviour"), officially the Republic of El Salvador ( es, República de El Salvador), is a country in Central America. It is bordered on the northeast by Honduras, on the northwest by Guatemala, and on the south b ...

Honduras Honduras, officially the Republic of Honduras, is a country in Central America. The republic of Honduras is bordered to the west by Guatemala, to the southwest by El Salvador, to the southeast by Nicaragua, to the south by the Pacific Oce ...

, the

Leeward Islands french: Îles-Sous-le-Vent , image_name = , image_caption = ''Political'' Leeward Islands. Clockwise: Antigua and Barbuda, Guadeloupe, Saint kitts and Nevis. , image_alt = , locator_map = , location = Caribbean SeaNorth Atlantic Ocean , coor ...

, the Venezuela Antilles, the

Windward Islands french: Îles du Vent , image_name = , image_caption = ''Political'' Windward Islands. Clockwise: Dominica, Martinique, Saint Lucia, Saint Vincent and the Grenadines, and Grenada. , image_alt = , locator_map = , location = Caribbean SeaNorth ...

Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in th ...

Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and Unincorporated ...

Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...

as well as south-east

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , established_ ...

and coastal areas of

New South Wales ) , nickname = , image_map = New South Wales in Australia.svg , map_caption = Location of New South Wales in AustraliaCoordinates: , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , es ...

Australia Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...

Use as ornamental plant

''Plectranthus verticillatus'' is a robust plant doing well in indirect sunlight, mostly cultivated as hanging houseplant. In frost-free areas, it is also found as

groundcover Groundcover or ground cover is any plant that grows over an area of ground. Groundcover provides protection of the topsoil from erosion and drought. In an ecosystem, the ground cover forms the layer of vegetation below the shrub layer known as t ...

in gardens or sprouting down walls. It likes to stay moist and it also responds well to pruning. It can easily be rooted with cuttings and its vulnerability is low; but a weak plant can be infested with

spider mite Spider mites are members of the Tetranychidae family, which includes about 1,200 species. They are part of the subclass Acari (mites). Spider mites generally live on the undersides of leaves of plants, where they may spin protective silk webs, a ...

s. A notable specimen of ''Plectranthus verticillatus'' can be found above the mantel in the President of the United States'

Oval Office The Oval Office is the formal working space of the President of the United States. Part of the Executive Office of the President of the United States, it is located in the West Wing of the White House, in Washington, D.C. The oval-shaped room ...

. It was a gift to President John F. Kennedy in 1961, and can be seen in photographs taken in the office during every administration since. Interns, aides, and other white house workers are often granted clippings of the famous plant which they grow and further distribute to friends and family.

Gallery

File:Plectranthus verticillatus 3.JPG, In cultivation, El Crucero, Managua, Nicaragua File:Plectranthus_verticillatus_in_a_ceramic_pot.jpg, In a

ceramic pot Pottery is the process and the products of forming vessels and other objects with clay and other ceramic materials, which are fired at high temperatures to give them a hard and durable form. Major types include earthenware, stoneware and porc ...

, grown from a cutting File:Starr_011026-9002_Plectranthus_verticillatus.jpg, Foliage File:Starr_030711-0058_Plectranthus_verticillatus.jpg, Botanical illustration File:Plectranthus_verticillatus_2.JPG, Flowers and leaves

References

External links

New South Wales Flora Online - Plectranthus verticillatus
{{Taxonbar, from=Q2296184 verticillatus Flora of Southern Africa Garden plants House plants