Utricularia densiflora
Encyclopedia
Utricularia densiflora is a carnivorous plant
Carnivorous plant
Carnivorous plants are plants that derive some or most of their nutrients from trapping and consuming animals or protozoans, typically insects and other arthropods. Carnivorous plants appear adapted to grow in places where the soil is thin or poor in nutrients, especially nitrogen, such as acidic...

 in the genus Utricularia and is endemic to Brazil
Brazil
Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

. It is a hydrophytic herb that has stolon
Stolon
In biology, stolons are horizontal connections between organisms. They may be part of the organism, or of its skeleton; typically, animal stolons are external skeletons.-In botany:...

s up to 8 centimetres (3.1 in) long. It produces inflorescence
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Strictly, it is the part of the shoot of seed plants where flowers are formed and which is accordingly modified...

s around 10 centimetres (3.9 in) long with the bract
Bract
In botany, a bract is a modified or specialized leaf, especially one associated with a reproductive structure such as a flower, inflorescence axis, or cone scale. Bracts are often different from foliage leaves. They may be smaller, larger, or of a different color, shape, or texture...

s and flowers arranged spirally around the inflorescence. The species epithet densiflora refers to the density of flowers that each plant produces, which typically ranges from 15 to 23 flowers congested near the top of the inflorescence. Beneath the lowermost opened flower, there are several rudimentary or dormant flower buds that make it unique in the genus, along with other diagnostic characteristics. It is most similar morphologically to U. erectiflora
Utricularia erectiflora
Utricularia erectiflora is a small, probably perennial, carnivorous plant that belongs to the genus Utricularia. It is native to Central and South America and can be found in Belize, Bolivia, Brazil, Colombia, Ecuador, Guyana, Nicaragua, Suriname, and Venezuela. U. erectiflora grows as a...

and U. meyeri
Utricularia meyeri
Utricularia meyeri is a medium-sized, probably perennial carnivorous plant that belongs to the genus Utricularia. It is endemic to western Goias and eastern Mato Grosso in central Brazil. U. meyeri grows as a terrestrial plant in bogs and seasonally flooded swamps and grasslands at altitudes...

.

Utricularia densiflora is only known from one location near the Serra da Baleia in the Chapada dos Veadeiros National Park
Chapada dos Veadeiros National Park
Brazil's Chapada dos Veadeiros National Park is located in the Chapada dos Veadeiros, an ancient plateau with an estimated age of 1.8 billion years. Based in the Brazilian state of Goias, the Park was created on January 11, 1961 by President Juscelino Kubitscheck, and listed as a World Heritage...

 in Goiás
Goiás
Goiás is a state of Brazil, located in the central part of the country. The name Goiás comes from the name of an indigenous community...

 state, Brazil. It grows in natural pools of water about 7 centimetres (2.8 in) deep in the grasslands, growing sympatrically with Eriocaulon
Eriocaulon
Eriocaulon is a genus of about 400 species of monocotyledonous flowering plants in the family Eriocaulaceae. The genus is widely distributed, with the centers of diversity for the group occurring in tropical regions, particularly southern Asia and the Americas. A few species extend to temperate...

aff. heteropeplon. The type specimen
Biological type
In biology, a type is one particular specimen of an organism to which the scientific name of that organism is formally attached...

 was collected at an elevation of 1100 metres (3,608.9 ft) in 2009 and was formally described
Species description
A species description or type description is a formal description of a newly discovered species, usually in the form of a scientific paper. Its purpose is to give a clear description of a new species of organism and explain how it differs from species which have been described previously, or are...

 by Paulo Cesar Baleeiro Souza and Claudia Petean Bove in 2011.
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