Utricularia cornigera
Encyclopedia
Utricularia cornigera is a large perennial
Perennial plant
A perennial plant or simply perennial is a plant that lives for more than two years. The term is often used to differentiate a plant from shorter lived annuals and biennials. The term is sometimes misused by commercial gardeners or horticulturalists to describe only herbaceous perennials...

 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...

 that belongs to the genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 Utricularia. U. cornigera was described in 2009 by Miloslav Studnička based on his study of the variation in cultivated plants labeled Utricularia reniformis
Utricularia reniformis
Utricularia reniformis is a large perennial carnivorous plant that belongs to the genus Utricularia. U. reniformis is endemic to Brazil. It was originally published and described by Augustin Saint-Hilaire in 1830. It usually grows as a terrestrial plant in wet grasslands and only sometimes as...

and apparent different geographic ranges. U. cornigera is found on Serra dos Órgãos
Serra dos Órgãos
Serra dos Órgãos is a mountain range in the state of Rio de Janeiro, Brazil, which was turned into a national park in 1939. It is located about a one-hour drive from the city of Rio de Janeiro....

 in south-eastern 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...

 and as of the new species' description, was not found in the presence of U. reniformis. Utricularia cornigera has been grown in cultivation under the name U. reniformis and with the cultivar
Cultivar
A cultivar'Cultivar has two meanings as explained under Formal definition. When used in reference to a taxon, the word does not apply to an individual plant but to all those plants sharing the unique characteristics that define the cultivar. is a plant or group of plants selected for desirable...

 name 'Big Sister'. It differs from U. reniformis by having 6-8 primordial leaves emerging from the seed during germination with a float and whorl
Whorl (botany)
In botany, a whorl is an arrangement of sepals, petals, leaves, or branches in which all the parts are attached at the same point and surround or wrap around the stem.There are four whorls in a general flower...

of leaves. Utricularia cornigera also produces two distinct types of bladder traps that are dimorphic and it generally has larger leaves.
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