Plectranthus 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 perennial plants , rarely annuals or soft-wooded shrubs, sometimes succulent ; sometimes with a tuberous base.[2]
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Several species are grown as ornamental plants . The cultivar Mona Lavender = 'Plepalila' [3] Royal Horticultural Society 's Award of Garden Merit .
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]
The word plectranthus derives from the Greek πλῆκτρον (plēktron ), "anything to strike with, an instrument for striking the lyre, a spear point"[4] anthos ), "blossom, flower".[5]
Plectranthus verticillatus Plectranthus ecklonii Paton et al. (2019) listed 72 species.[2] As of October 2022 [ update] Plants of the World Online accepted 84:
Plectranthus alboviolaceus Gürke – South Africa: E. Cape Prov. to N. KwaZulu-NatalPlectranthus ambiguus (Bolus) Codd – South Africa: E. Cape Prov. to N. KwaZulu-NatalPlectranthus amplexicaulis Hedge – MadagascarPlectranthus antongilicus Hedge – MadagascarPlectranthus asymmetricus A.J.Paton – ZambiaPlectranthus atroviolaceus Hedge – MadagascarPlectranthus aulihanensis (Schweinf. & Volkens) ined. Plectranthus betamponus Hedge – MadagascarPlectranthus bracteolatus A.J.Paton – TanzaniaPlectranthus brevicaulis (Baker) Hedge – MadagascarPlectranthus brevimentus T.J.Edwards (also as P. brevimentum ) – South Africa: Eastern Cape ProvPlectranthus canescens Benth. – MadagascarPlectranthus capuronii Hedge – MadagascarPlectranthus chimanimanensis S.Moore – E. Zimbabwe to W. MozambiquePlectranthus ciliatus E.Mey. – South Africa and EswatiniPlectranthus clementiae Hedge – MadagascarPlectranthus cordatus A.J.Paton & Phillipson – MadagascarPlectranthus decaryi Hedge – MadagascarPlectranthus delicatissimus Hedge – MadagascarPlectranthus ecklonii Benth. – South AfricaPlectranthus elegans Britten – S. MalawiPlectranthus elegantulus Briq. – South Africa: KwaZulu-NatalPlectranthus ellipticus Hedge – MadagascarPlectranthus emirnensis (Baker) Hedge – MadagascarPlectranthus ernstii Codd – South Africa: E. Cape Prov. to S. KwaZulu-NatalPlectranthus forsythii Hedge – MadagascarPlectranthus fruticosus L’Hér. – S. Mozambique to South AfricaPlectranthus gardneri Thwaites – Sri LankaPlectranthus gibbosus Hedge – MadagascarPlectranthus godefroyae (N.E.Br.) ined. Plectranthus grallatus Briq. – South Africa, LesothoPlectranthus grandibracteatus Hedge – MadagascarPlectranthus guruensis A.J.Paton – MozambiquePlectranthus hexaphyllus Baker – MadagascarPlectranthus hilliardiae Codd – South Africa: Transkei to KwaZulu-NatalPlectranthus hirsutus Hedge – MadagascarPlectranthus hoslundioides Scott-Elliot – MadagascarPlectranthus humbertii Hedge – MadagascarPlectranthus incrassatus Hedge – MadagascarPlectranthus laurifolius Hedge – MadagascarPlectranthus linearis Hedge – MadagascarPlectranthus longiflorus Benth. – MadagascarPlectranthus longipetiolatus Hedge – MadagascarPlectranthus lucidus (Benth.) van Jaarsv. & T.J.Edwards – South Africa: S. Cape ProvPlectranthus macilentus Hedge – MadagascarPlectranthus malvinus van Jaarsv. & T.J.Edwards – South Africa: E. Cape ProvPlectranthus mandalensis Baker – Malawi (Mt. Mulanje), Mozambique (Mt. Namuli)Plectranthus marquesii Gürke Plectranthus mechowianus (Briq.) ined. Plectranthus membranaceus (Scott-Elliot) Hedge – MadagascarPlectranthus miserabilis Briq. Plectranthus mocquerysii Briq. – MadagascarPlectranthus mzimvubuensis van Jaarsv. – South Africa: SE. Cape ProvPlectranthus oblanceolatus Hedge – MadagascarPlectranthus oertendahlii T.C.E.Fr. – South Africa: S. KwaZulu-NatalPlectranthus ombrophilus Hedge – MadagascarPlectranthus oribiensis Codd – South Africa: KwaZulu-NatalPlectranthus papilionaceus Ranir. & Phillipson – MadagascarPlectranthus parvifolius Talbot Plectranthus pichompae Hedge – MadagascarPlectranthus poggeanus (Briq.) ined. Plectranthus praetermissus Codd – South Africa: SE. Cape ProvPlectranthus preussii (Gürke) ined. Plectranthus purpuratus Harv. – South AfricaPlectranthus reflexus van Jaarsv. & T.J.Edwards – South Africa: SE. Cape ProvPlectranthus rosulatus Hedge – NW. MadagascarPlectranthus rubropunctatus Codd – South Africa: Limpopo to EswatiniPlectranthus rubroviolaceus Hedge – MadagascarPlectranthus saccatus Benth. – South Africa: SE. Cape Prov. to KwaZulu-NatalPlectranthus scaposus Hedge – MadagascarPlectranthus schweinfurthii Sprenger Plectranthus secundiflorus (Baker) Hedge – Tanzania (Uluguru Mts.)Plectranthus strangulatus A.J.Paton – Tanzania (Uluguru Mts.)Plectranthus strigosus Benth. ex E.Mey. – South Africa: S. Cape ProvPlectranthus stylesii T.J.Edwards – South Africa: Eastern Cape ProvPlectranthus swynnertonii S.Moore – S. Trop. Africa to South Africa, MpumalangaPlectranthus termiticola A.J.Paton Plectranthus trilobus Hedge – MadagascarPlectranthus verticillatus (L.f.) Druce – S. Mozambique to South AfricaPlectranthus vestitus Benth. – MadagascarPlectranthus vinaceus Hedge – MadagascarPlectranthus viridis (Briq.) ined. Plectranthus zenkeri Gürke Plectranthus zuluensis T.Cooke – South Africa: SE. Cape Prov. to Eswatini
Transferred to Coleus
Species transferred to Coleus [2]
Anisochilus carnosus (L. f.) Wall. ex Benth. (as P. strobilifer Roxb. )Capitanopsis oreophila (Hedge) Mwany., A.J.Paton & Culham (as P. bipinnatus A.J.Paton )Isodon coetsa (Buch.-Ham. ex D.Don) Kudô (as P. coetsa Buch.-Ham. ex D.Don )Isodon inflexus (Thunb.) Kudô (as P. inflexus (Thunb.) Vahl ex Benth. )Isodon lophanthoides (Buch.-Ham. ex D.Don) H.Hara (as P. striatus Benth. )Isodon rugosus (Wall. ex Benth.) Codd (as P. rugosus Wall. ex Benth. )Isodon sculponeatus (Vaniot) Kudô (as P. sculponeatus Vaniot )[7] Tetradenia riparia Hochstetter and Codd (as P. riparius A.Rich. )
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 . πλῆκτρον , Henry George Liddell, Robert Scott, A Greek-English Lexicon , on Perseusἄνθος , Henry George Liddell, Robert Scott, A Greek-English Lexicon , on Perseus 
