''Rafflesia tengku-adlinii'' is a

parasitic plant A parasitic plant is a plant that derives some or all of its nutritional requirements from another living plant. They make up about 1% of angiosperms and are found in almost every biome. All Parasite, parasitic plants develop a specialized organ ...

species in the genus ''

Rafflesia ''Rafflesia'' (), or stinking corpse lily, is a genus of Parasitic plants, parasitic flowering plants in the family Rafflesiaceae. The species have enormous flowers, the buds rising from the ground or directly from the lower stems of their host p ...

'' in the family

Rafflesiaceae The Rafflesiaceae are a family of rare parasitic plants comprising 36 species in 3 genera found in the tropical forests of east and southeast Asia, including ''Rafflesia arnoldii'', which has the largest flowers of all plants. The plants are e ...

. It was discovered on

Mount Trus Madi Mount Trusmadi or Trus Madi ( Dusun: ''Nulu Trusmadi'', ) is a mountain located at the Interior Division of Sabah, Malaysia. It is considered as the second highest mountain in both Sabah and Malaysia at , after Mount Kinabalu with Trusmadi off ...

Sabah Sabah () is a States and federal territories of Malaysia, state of Malaysia located in northern Borneo, in the region of East Malaysia. Sabah has land borders with the Malaysian state of Sarawak to the southwest and Indonesia's North Kalima ...

, Malaysia in 1987. It is one of the medium-sized species, around wide. The five

tepals A tepal is one of the outer parts of a flower (collectively the perianth). The term is used when these parts cannot easily be classified as either sepals or petals. This may be because the parts of the perianth are undifferentiated (i.e. of ve ...

are bright orange, while the

corona Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus or disease responsible for the COVID-19 ...

is reddish-orange. Unlike many ''Rafflesia'' species, there are no white or pale markings on the tepals or the corona. Like all Rafflesias, it is parasitic on one or more species of the

grape A grape is a fruit, botanically a berry, of the deciduous woody vines of the flowering plant genus ''Vitis''. Grapes are a non- climacteric type of fruit, generally occurring in clusters. The cultivation of grapes began approximately 8,0 ...

relative ''

Tetrastigma ''Tetrastigma'' is a genus of plants in the grape family, Vitaceae. The plants are lianas that climb with tendrils and have palmately compound leaves. Plants are dioecious, with separate male and female plants; female flowers are characterize ...

''. This species was named after the conservationist Datuk Dr. Tengku D. Z. Adlin.

References

tengku-adlinii Endemic flora of Borneo Flora of Sabah {{Malpighiales-stub