Utricularia vitellina is a small or very small, probably 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. It is endemic to Peninsular Malaysia

Peninsular Malaysia

Peninsular Malaysia , also known as West Malaysia , is the part of Malaysia which lies on the Malay Peninsula. Its area is . It shares a land border with Thailand in the north. To the south is the island of Singapore. Across the Strait of Malacca to the west lies the island of Sumatra...

 and is only known from two mountain peaks (Gunung Tahan

Mount Tahan

Mount Tahan , at 2,187 m, is the highest point in Peninsular Malaysia. It is located within the Taman Negara national forest, in the state of Pahang. The mountain is part of the Tahan Range and popular to local climbers....

 and Gunung Kerbau) that are over 100 km (62.1 mi) apart. U. vitellina grows as a terrestrial plant in peat

Peat

Peat is an accumulation of partially decayed vegetation matter or histosol. Peat forms in wetland bogs, moors, muskegs, pocosins, mires, and peat swamp forests. Peat is harvested as an important source of fuel in certain parts of the world...

y stream banks among bryophyte

Bryophyte

Bryophyte is a traditional name used to refer to all embryophytes that do not have true vascular tissue and are therefore called 'non-vascular plants'. Some bryophytes do have specialized tissues for the transport of water; however since these do not contain lignin, they are not considered to be...

s at altitudes from 1500 m (4,921 ft) to 2100 m (6,890 ft). It was originally described by Henry Nicholas Ridley

Henry Nicholas Ridley

Henry Nicholas Ridley CMG , MA , FRS, FLS, F.R.H.S. was an English botanist and geologist.Born at West Harling Hall, Norfolk, England...

 in 1923. It is distinct from the rest of the species in section

Section (botany)

In botany, a section is a taxonomic rank below the genus, but above the species. The subgenus, if present, is higher than the section, and the rank of series, if present, is below the section. Sections are typically used to help organise very large genera, which may have hundreds of species...

 Oligocista

Utricularia sect. Oligocista

Utricularia sect. Oligocista is the largest section in the genus Utricularia. The 42 species in this section are small to medium-sized terrestrial carnivorous plants native throughout the tropics, with six species in the Americas, ten in Africa, five in Australia, and the remainder in Asia, with 17...

by not having a basal swelling of the lower corolla lip.