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 perennial plants, rarely annuals or soft-wooded shrubs, sometimes succulent; sometimes with a tuberous base.

Plectranthus
Plectranthus fruticosus
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Lamiaceae
Subfamily: Nepetoideae
Tribe: Ocimeae
Genus: Plectranthus
L'Hér.
Species

Many, see text

Synonyms

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

Several species are grown as ornamental plants. The cultivar Mona Lavender = 'Plepalila' has received the 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.

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