''Utricularia'' sect. ''Oligocista'' is the largest
section in the genus ''
Utricularia''. The 42 species in this section are small to medium-sized terrestrial
carnivorous plant
Carnivorous plants are plants that derive some or most of their nutrients from trapping and consuming animals or protozoans
Protozoa (singular: protozoan or protozoon; alternative plural: protozoans) are a group of single-celled eukaryot ...
s native throughout the tropics, with six species in the
Americas
The Americas, which are sometimes collectively called America, are a landmass comprising the totality of North and South America. The Americas make up most of the land in Earth's Western Hemisphere and comprise the New World.
Along with th ...
, ten in
Africa
Africa is the world's second-largest and second-most populous continent, after Asia in both cases. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 6% of Earth's total surface area ...
, five 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 the remainder in
Asia
Asia (, ) is one of the world's most notable geographical regions, which is either considered a continent in its own right or a subcontinent of Eurasia, which shares the continental landmass of Afro-Eurasia with Africa. Asia covers an area ...
, with 17 mostly native to peninsular
India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
.
Alphonse Pyrame de Candolle originally described and published this section in 1844.
Peter Taylor published his taxonomic
monograph
A monograph is a specialist work of writing (in contrast to reference works) or exhibition on a single subject or an aspect of a subject, often by a single author or artist, and usually on a scholarly subject.
In library cataloging, ''monograph ...
of ''Utricularia'' in 1986, in which he placed this section within subgenus ''
Utricularia''. More recent
phylogenetic
In biology, phylogenetics (; from Greek φυλή/ φῦλον [] "tribe, clan, race", and wikt:γενετικός, γενετικός [] "origin, source, birth") is the study of the evolutionary history and relationships among or within groups o ...
data and revisions have reinstated subgenus ''
Bivalvaria'' and have placed this section within it.
[Taylor, Peter. (1989). '' The genus Utricularia - a taxonomic monograph''. Kew Bulletin Additional Series XIV: London.][Müller, K.F., Borsch, T., Legendre, L., Porembski, S., and Barthlott, W. (2006). Recent progress in understanding the evolution of carnivorous Lentibulariaceae (Lamiales). ''Plant Biology'', 8: 748-757.]
Species
See also
*
List of ''Utricularia'' species
References
Utricularia
Plant sections
{{Lentibulariaceae-stub