genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of about 85 species of flowering plants from the sage family,
Lamiaceae
The Lamiaceae ( )
or Labiatae are a family (biology), 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 (herb), ba ...
, found mostly in southern and tropical Africa and Madagascar. Common names include spur-flower. ''Plectranthus'' species are
herbaceous
Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials.
Definitions of "herb" and "herbaceous"
The fourth edition of ...
perennial plant
In horticulture, the term perennial (''wikt:per-#Prefix, per-'' + ''wikt:-ennial#Suffix, -ennial'', "through the year") is used to differentiate a plant from shorter-lived annual plant, annuals and biennial plant, biennials. It has thus been d ...
s, rarely annuals or soft-wooded shrubs, sometimes
succulent
In botany, succulent plants, also known as succulents, are plants with parts that are thickened, fleshy, and engorged, usually to retain water in arid climates or soil conditions. The word ''succulent'' comes from the Latin word ''sucus'', meani ...
; sometimes with a tuberous base.
Several species are grown as
ornamental plant
Ornamental plants or ''garden plants'' are plants that are primarily grown for their beauty but also for qualities such as scent or how they shape physical space. Many flowering plants and garden varieties tend to be specially bred cultivars th ...
s. The
cultivar
A cultivar is a kind of Horticulture, cultivated plant that people have selected for desired phenotypic trait, traits and which retains those traits when Plant propagation, propagated. Methods used to propagate cultivars include division, root a ...
= 'Plepalila' has received the
Royal Horticultural Society
The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity.
The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr ...
's
Award of Garden Merit
The Award of Garden Merit (AGM) is a long-established award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions.
It includes the full range of cultivated p ...
.
Recent phylogenetic analysis found ''Plectranthus'' to be
paraphyletic
Paraphyly is a taxonomic term describing a grouping that consists of the grouping's last common ancestor and some but not all of its descendant lineages. The grouping is said to be paraphyletic ''with respect to'' the excluded subgroups. In co ...
with respect to ''
Coleus
''Coleus'' (, ) is a genus of annual or perennial herbs or shrubs, sometimes succulent, sometimes with a fleshy or tuberous rootstock, found in the Afro-Eurasia tropics and subtropics.
The relationship among the genera ''Coleus'', '' Solenoste ...
'', ''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.
Etymology
The word ''plectranthus'' derives from the
Greek
Greek may refer to:
Anything of, from, or related to Greece, a country in Southern Europe:
*Greeks, an ethnic group
*Greek language, a branch of the Indo-European language family
**Proto-Greek language, the assumed last common ancestor of all kno ...
πλῆκτρον (''plēktron''), "anything to strike with, an instrument for striking the lyre, a spear point" + ἄνθος (''anthos''), "blossom, flower".ἄνθος Henry George Liddell, Robert Scott, ''A Greek-English Lexicon'', on Perseus
Species
Paton et al. (2019) listed 72 species. ,
Plants of the World Online
Plants of the World Online (POWO) is an online taxonomic database published by the Royal Botanic Gardens, Kew.
History
Following the Convention on Biological Diversity, the Royal Botanic Gardens in Kew launched Plants of the World Online i ...
Plectranthus chimanimanensis
''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 ...
Plectranthus ombrophilus
''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 ...
Coleus
''Coleus'' (, ) is a genus of annual or perennial herbs or shrubs, sometimes succulent, sometimes with a fleshy or tuberous rootstock, found in the Afro-Eurasia tropics and subtropics.
The relationship among the genera ''Coleus'', '' Solenoste ...
Coleus caninus
''Coleus caninus'', synonym ''Plectranthus caninus'', also called dogbane, piss-off plant and scaredy-cat plant, is a herb from the mint family Lamiaceae, native to southern and eastern Africa from Angola to Sudan and to India and Myanmar.
Desc ...
Coleus comosus
''Coleus comosus'', synonym ''Plectranthus ornatus'', is a flowering plant from the mint family Lamiaceae
The Lamiaceae ( )
or Labiatae are a family (biology), family of flowering plants commonly known as the mint, deadnettle, or sage fami ...
Coleus rotundifolius
''Coleus rotundifolius'', synonyms ''Plectranthus rotundifolius'' and ''Solenostemon rotundifolius'', commonly known as native potato or country potato in Africa and called Chinese potato in India, is a perennial herbaceous plant of the mint f ...
Tetradenia riparia
''Tetradenia riparia'' is a species of flowering plant native to southern Africa. It belongs in the mint and sage family Lamiaceae. It is occasionally referred to as misty plume bush and is commonly used as a decorative garden plant due to its fl ...
'' Hochstetter and Codd (as ''P. riparius'' A.Rich.)