''Denhamia'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of plants within the family
Celastraceae, with species in
Australia
Australia, officially the Commonwealth of Australia, is a Sovereign state, sovereign country comprising the mainland of the Australia (continent), Australian continent, the island of Tasmania, and numerous List of islands of Australia, sma ...
and
New Caledonia
)
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, map_alt = Location of New Caledonia
, map_caption = Location of New Caledonia
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. The species inhabit a variety of environments, from
rainforest
Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainfores ...
to semi-arid
savanna
A savanna or savannah is a mixed woodland-grassland (i.e. grassy woodland) ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to ...
. All species grow as shrubs or small trees up to 10 metres in height. The genus is composed of nine species, with two currently unnamed species:
*''
Denhamia celastroides
''Denhamia'' is a genus of plants within the family Celastraceae, with species in Australia and New Caledonia. The species inhabit a variety of environments, from rainforest to semi-arid savanna. All species grow as shrubs or small trees up to 1 ...
''
*''
Denhamia fournieri
''Denhamia'' is a genus of plants within the family Celastraceae, with species in Australia and New Caledonia. The species inhabit a variety of environments, from rainforest to semi-arid savanna. All species grow as shrubs or small trees up to 10 ...
''
*''
Denhamia moorei''
*''
Denhamia obscura''
*''
Denhamia oleaster''
*''
Denhamia parviflora
''Denhamia'' is a genus of plants within the family Celastraceae, with species in Australia and New Caledonia. The species inhabit a variety of environments, from rainforest to semi-arid savanna. All species grow as shrubs or small trees up to 1 ...
''
*''
Denhamia pittosporoides
''Denhamia'' is a genus of plants within the family Celastraceae, with species in Australia and New Caledonia. The species inhabit a variety of environments, from rainforest to semi-arid savanna. All species grow as shrubs or small trees up to 1 ...
''
**''
Denhamia pittosporoides subsp. pittosporoides''
**''
Denhamia pittosporoides subsp. angustifolia''
*''
Denhamia viridissima
''Denhamia'' is a genus of plants within the family Celastraceae, with species in Australia and New Caledonia. The species inhabit a variety of environments, from rainforest to semi-arid savanna. All species grow as shrubs or small trees up to 1 ...
''
*''Denhamia'' sp. Jardine River
*''Denhamia'' sp. Junee Tableland
Some authors regard Denhamia as a
paraphyletic
In taxonomy (general), taxonomy, a group is paraphyletic if it consists of the group's most recent common ancestor, last common ancestor and most of its descendants, excluding a few Monophyly, monophyletic subgroups. The group is said to be pa ...
genus which should properly include the Australasian ''
Maytenus'' species.
References
McKenna, M.J., M.P. Simmons, C.D. Bacon and J.A. Lombardi. 2011. “Delimitation of the segregate genera of Maytenus sensu lato (Celastraceae) based on morphological and molecular characters.” Systematic Botany 36: 922–932.
Celastraceae
Celastrales genera
Flora of Australia
{{Celastraceae-stub