Plectranthus

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Plectranthus
Plectranthus fruticans0.jpg
Plectranthus fruticosus
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Subfamily: Nepetoideae
Tribe:
Genus: Plectranthus
L'Hér.[1]
Species

Many, see text

Synonyms[1]

Ascocarydion G.Taylor
Burnatastrum Briq.
Capitanya Gürke
Dielsia Kudô
Englerastrum Briq.
Germanea Lam.
Holostylon Robyns & Lebrun
Isodictyophorus Briq.
Leocus A.Chev.
Neomuellera Briq.
Perrierastrum Guillaumin
Symphostemon Hiern

Plectranthus, with some 72 species, is a genus of herbaceous perennial plants, rarely annuals or soft-wooded shrubs, sometimes succulent; sometimes with a tuberous base. Common names include spur-flower. Plectranthus species are found in Southern and Tropical Africa and Madagascar, and one in Sri Lanka.[2]

Several species are grown as ornamental plants. The cultivar Mona Lavender = 'Plepalila' [3] has received the Royal Horticultural Society's Award of Garden Merit.

They are used as food plants by the larvae of some Lepidoptera species including the engrailed (Ectropis crepuscularia).[citation needed]

Recent phylogenetic analysis found Plectranthus to be paraphyletic with respect to Coleus, Solenostemon, Pycnostachys and Anisochilus. The most recent treatment of the genus resurrected the genus Coleus, and 212 names were changed from combinations in Plectranthus, Pycnostachys and Anisochilus. Equilabium was segregated from Plectranthus, after phylogenetic studies supported its recognition as a phylogenetically distinct genus.[2]

Species[]

Plectranthus verticillatus in cultivation

Paton et al. (2019) list 72 species:[2]

  • Gürke – South Africa: E. Cape Prov. to N. KwaZulu-Natal
  • Plectranthus ambiguus (Bolus) Codd – South Africa: E. Cape Prov. to N. KwaZulu-Natal
  • Hedge – Madagascar
  • Hedge – Madagascar
  • A.J.Paton – Zambia
  • Hedge – Madagascar
  • Hedge – Madagascar
  • A.J.Paton – Tanzania
  • (Baker) Hedge – Madagascar
  • T.J.Edwards – South Africa: Eastern Cape Prov
  • Benth. – Madagascar
  • Hedge – Madagascar
  • S.Moore – E. Zimbabwe to W. Mozambique
  • Plectranthus ciliatus E.Mey. – South Africa and Swaziland
  • Hedge – Madagascar
  • A.J.Paton & Phillipson – Madagascar
  • Hedge – Madagascar
  • Hedge – Madagascar
  • Plectranthus ecklonii Benth. – South Africa
  • Britten – S. Malawi
  • Briq. – South Africa: KwaZulu-Natal
  • Hedge – Madagascar
  • (Baker) Hedge – Madagascar
  • Codd – South Africa: E. Cape Prov. to S. KwaZulu-Natal
  • Hedge – Madagascar
  • Plectranthus fruticosus L’Hér. – S. Mozambique to South Africa
  • waites – Sri Lanka
  • Hedge – Madagascar
  • Briq. – South Africa, Lesotho
  • Hedge – Madagascar
  • A.J.Paton – Mozambique
  • Plectranthus hadiensis (Forssk.) Schweinfurth & Sprenger - South Africa: E. Cape Prov. to KwaZulu-Natal
  • Baker – Madagascar
  • Codd – South Africa: Transkei to KwaZulu-Natal
  • Hedge – Madagascar
  • Scott-Elliot – Madagascar
  • Hedge – Madagascar
  • Hedge – Madagascar
  • Hedge – Madagascar
  • Hedge – Madagascar
  • Benth. – Madagascar
  • Hedge – Madagascar
  • (Benth.) van Jaarsv. & T.J.Edwards – South Africa: S. Cape Prov
  • Hedge – Madagascar
  • van Jaarsv. & T.J.Edwards – South Africa: E. Cape Prov
  • Baker – Malawi (Mt. Mulanje), Mozambique (Mt. Namuli)
  • (Scott-Elliot) Hedge – Madagascar
  • Briq. – Madagascar
  • van Jaarsv. – South Africa: SE. Cape Prov
  • Hedge – Madagascar
  • Plectranthus oertendahlii T.C.E.Fr. – South Africa: S. KwaZulu-Natal
  • Hedge – Madagascar
  • Codd – South Africa: KwaZulu-Natal
  • Ranir. & Phillipson – Madagascar
  • Hedge – Madagascar
  • Codd – South Africa: SE. Cape Prov
  • Plectranthus purpuratus Harv. – South Africa
  • van Jaarsv. & T.J.Edwards – South Africa: SE. Cape Prov
  • Hedge – NW. Madagascar
  • Codd – South Africa: Limpopo to Swaziland
  • Hedge – Madagascar
  • Plectranthus saccatus Benth. – South Africa: SE. Cape Prov. to KwaZulu-Natal
  • Hedge – Madagascar
  • (Baker) Hedge – Tanzania (Uluguru Mts.)
  • A.J.Paton – Tanzania (Uluguru Mts.)
  • Plectranthus strigosus Benth. ex E.Mey. – South Africa: S. Cape Prov
  • T.J.Edwards – South Africa: Eastern Cape Prov
  • S.Moore – S. Trop. Africa to South Africa, Mpumalanga
  • Hedge – Madagascar
  • Plectranthus verticillatus (L.f.) Druce – S. Mozambique to South Africa
  • Benth. – Madagascar
  • Hedge – Madagascar
  • T.Cooke – South Africa: SE. Cape Prov. to Swaziland

Transferred to Coleus[]

Species transferred to Coleus in 2019 include:[2]

Other species formerly placed in Plectranthus[]

  • (L. f.) Wall. ex Benth. (as P. strobilifer Roxb.)
  • Capitanopsis oreophila (Hedge) Mwany., A.J.Paton & Culham (as P. bipinnatus A.J.Paton)
  • (Buch.-Ham. ex D.Don) Kudô (as P. coetsa Buch.-Ham. ex D.Don)
  • (Thunb.) Kudô (as P. inflexus (Thunb.) Vahl ex Benth.)
  • Isodon lophanthoides (Buch.-Ham. ex D.Don) H.Hara (as P. striatus Benth.)
  • (Wall. ex Benth.) Codd (as P. rugosus Wall. ex Benth.)
  • (Vaniot) Kudô (as P. sculponeatus Vaniot)[4]

References[]

  1. ^ Jump up to: a b "Genus: Plectranthus L'Hér". Germplasm Resources Information Network. United States Department of Agriculture. 2007-10-05. Archived from the original on 2011-06-29. Retrieved 2011-02-17.
  2. ^ Jump up to: a b c d Paton, Alan J.; Mwanyambo, Montfort; Govaerts, Rafaël H.A.; Smitha, Kokkaraniyil; Suddee, Somran; Phillipson, Peter B.; Wilson, Trevor C.; Forster, Paul I. & Culham, Alastair (2019). "Nomenclatural changes in Coleus and Plectranthus (Lamiaceae): a tale of more than two genera". PhytoKeys (129): 1–158. doi:10.3897/phytokeys.129.34988. PMC 6717120. PMID 31523157.
  3. ^ "Plectranthus Mona Lavender = 'Plepalila'". RHS. Retrieved 18 January 2021.
  4. ^ "GRIN Species Records of Plectranthus". Germplasm Resources Information Network. United States Department of Agriculture. Retrieved 2011-02-17.

External links[]

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