Plectranthus verticillatus

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Plectranthus verticillatus
Starr 011026-9002 Plectranthus verticillatus.jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Lamiales
Family: Lamiaceae
Genus: Plectranthus
Species: P. verticillatus
Binomial name
Plectranthus verticillatus
(L.f.) Druce
Synonyms

Plectranthus nummularius Briq. [1]

Plectranthus verticillatus (Syn. Plectranthus nummularius (Briq.),[2] Swedish ivy, Swedish Begonia or Whorled Plectranthus[3]) is a plant in the family Lamiaceae (Labiatae), genus Plectranthus.

Description[edit]

The plant has glossy, green, round leaves, which show a deep purple color in the center sometimes. This deep purple can also be found on the plant stems and on the underside of leaves. The upright racemes appear white, pale violet or pale pink and can sprout sporadically throughout the year.[4]

The name Swedish ivy is deceptive: The plant is not thigmotropic (meaning it does not cling to walls with the roots when it grows) and it is not closely related to the genus of Ivy (Hedera).

Distribution[edit]

Plectranthus verticillatus is native to southern Africa where it occurs in the Cape Provinces, KwaZulu-Natal, Swaziland, the Northern Provinces and southern Mozambique.[5] It is found naturalized in El Salvador, Honduras, the Leeward Islands, the Venezuela Antilles, the Windward Islands, Venezuela, Puerto Rico, Hawaii as well as south-east Queensland and coastal areas of New South Wales in Australia.[3][5][6]

Use as ornamental plant[edit]

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 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.

Gallery[edit]

References[edit]

  1. ^ "Plectranthus nummularius Briq.". African flowering plants database. Conservatoire et Jardin Botaniques Ville de Geneve. Retrieved 2009-02-03. 
  2. ^ cf. theplantlist.org: Plectranthus verticillatus (L.f.) Druce. Retrieved 13 February 2013.
  3. ^ a b "Swedish ivy Plectranthus verticillatus". Weeds of Australia. University of Queensland. Retrieved 14 February 2013. 
  4. ^ cf. Description and picture at plantzafrica.com: Plectranthus verticillatus (L.f.) Druce. Retrieved 13 February 2013.
  5. ^ a b cf. World Checklist of Selected Plant Families: Plectranthus verticillatus_id=158574. Retrieved 13 February 2013.
  6. ^ Conn, B.J. "Plectranthus verticillatus (L.f.) Druce". PlantNET - New South Wales Flora Online. Royal Botanic Gardens & Domain Trust, Sydney Australia. Retrieved 14 February 2013. 

External links[edit]