''Utricularia cornigera'' is a large

perennial A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...

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 ...

that belongs to the

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 ...

'' Utricularia''. ''U. cornigera'' was described in 2009 by Miloslav Studnička based on his study of the variation in cultivated plants labeled '' Utricularia reniformis'' and apparent different geographic ranges. ''U. cornigera'' is found on

Serra dos Órgãos The Serra dos Órgãos ("Organ Range") is a mountain range in the state of Rio de Janeiro, Brazil. It contains the Serra dos Órgãos National Park. Location The Serra dos Órgãos is the name of the region of the Serra do Mar in the central pa ...

in south-eastern

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

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 A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture, ...

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 A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral ...

of leaves. ''Utricularia cornigera'' also produces two distinct types of bladder traps that are dimorphic and it generally has larger leaves.Studnička, M. 2009
Brazilian bladderwort ''Utricularia reniformis'' is a blend of two species.
''Thaiszia Journal of Botany'', 19: 131-143.Studnička, M. 2004
Observations on two different forms of ''Utricularia reniformis''.
'' Carnivorous Plant Newsletter'', 33(2): 47-51.

References

Carnivorous plants of South America Flora of Brazil Plants described in 2009 cornigera {{Lentibulariaceae-stub

See also

References