''Petalostigma'' is a
genus of
plants under the
family Picrodendraceae
Picrodendraceae is a family of flowering plants, consisting of 80 species in 24 genera.Stephens, P.F. (2001 onwards). Angiosperm Phylogeny Website. Version 9, June 2008. http://www.mobot.org/MOBOT/Research/APweb/ These are subtropical to tropical ...
and the
monogeneric
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
subtribe
Subtribe is a taxonomic category ranking which is below the rank of tribe and above genus. The standard suffix for a subtribe is -ina (in animals) or -inae (in plants
Plants are predominantly photosynthetic eukaryotes of the kingdom Plant ...
Petalostigmatinae, first defined by von Mueller in 1857.
[Tropicos, ''Petalostigma'' F. Muell.]
/ref> It is native to New Guinea and 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 ...
.[Kew World Checklist of Selected Plant Families]
/ref> They are evergreen, dioecious
Dioecy (; ; adj. dioecious , ) is a characteristic of a species, meaning that it has distinct individual organisms (unisexual) that produce male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproductio ...
shrubs or trees.Petalostigma pubescens
''Petalostigma pubescens'', known as the quinine bush is a rainforest tree native to Papua New Guinea, Queensland, Northern Territory, New South Wales, Western Australia. It was first described by the botanist Karel Domin
Karel Domin (4 May ...
''), which does not actually contains quinine. Another example is ''Petalostigma triloculare
''Petalostigma triloculare'', known as the long-leaved bitter bark is a rainforest tree of eastern Australia. It occurs in the drier rainforests, often on sandy soil derived from granite or sandstone, and is sometimes seen on old sand dunes.
Tax ...
'' which features exploding fruit.
Species
This is a list of species in the genus as published by the Kew Royal Botanic Gardens.[
* '']Petalostigma banksii
''Petalostigma'' is a genus of plants under the family Picrodendraceae and the monogeneric subtribe Petalostigmatinae, first defined by von Mueller in 1857. It is native to New Guinea and Australia. They are evergreen, dioecious shrubs or trees.
...
'' - Northern Territory, Queensland
* ''Petalostigma pachyphyllum
''Petalostigma'' is a genus of plants under the family Picrodendraceae and the monogeneric subtribe Petalostigmatinae, first defined by von Mueller in 1857. It is native to New Guinea and Australia. They are evergreen, dioecious shrubs or trees.
...
'' - Queensland
* ''Petalostigma pubescens
''Petalostigma pubescens'', known as the quinine bush is a rainforest tree native to Papua New Guinea, Queensland, Northern Territory, New South Wales, Western Australia. It was first described by the botanist Karel Domin
Karel Domin (4 May ...
'' - quinine berry, quinine bush, quinine tree - Papua New Guinea, Queensland, Northern Territory, New South Wales, Western Australia
* ''Petalostigma quadriloculare
''Petalostigma'' is a genus of plants under the family Picrodendraceae and the monogeneric subtribe Petalostigmatinae, first defined by von Mueller in 1857. It is native to New Guinea and Australia. They are evergreen, dioecious shrubs or trees.
...
'' - Queensland, Northern Territory, Western Australia
* ''Petalostigma triloculare
''Petalostigma triloculare'', known as the long-leaved bitter bark is a rainforest tree of eastern Australia. It occurs in the drier rainforests, often on sandy soil derived from granite or sandstone, and is sometimes seen on old sand dunes.
Tax ...
'' - Queensland
See also
*''Cinchona
''Cinchona'' (pronounced or ) is a genus of flowering plants in the family Rubiaceae containing at least 23 species of trees and shrubs. All are native to the Tropical Andes, tropical Andean forests of western South America. A few species are ...
'' - another genus known for containing quinine
*Taxonomy of the Picrodendraceae
As the family Picrodendraceae is erected from the bases of subfamily Oldfieldioideae, its taxonomy remains the same:
Tribe Caletieae
There are 4 subtribes and 13 genera:
:Subtribe Dissiliariinae
::''Austrobuxus'' (also ''Buraeavia'', ''Bureaua ...
References
Picrodendraceae
Malpighiales genera
Dioecious plants
{{Malpighiales-stub