''Durio kutejensis'', commonly known as durian pulu, durian merah, nyekak, Pakan, Kuluk, or lai, is a primary rainforest substorey

fruit tree A fruit tree is a tree which bears fruit that is consumed or used by animals and humans — all trees that are flowering plants produce fruit, which are the ripened ovaries of flowers containing one or more seeds. In horticultural usage, t ...

from

Borneo Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and ea ...

Description

It is a very attractive small- to medium-sized tree up to 30 m tall. It has large, glossy leaves, numerous large, red flowers that emit a strong carrion smell at

anthesis Anthesis is the period during which a flower is fully open and functional. It may also refer to the onset of that period. The onset of anthesis is spectacular in some species. In ''Banksia'' species, for example, anthesis involves the extension ...

. This species is reportedly pollinated by

giant honey bee ''Apis dorsata'', the giant honey bee, सिङ्गुस in Nepali, is a honey bee of South and Southeast Asia, found mainly in forested areas such as the Terai of Nepal. They are typically around long. Nests are mainly built in exposed pla ...

s and birds, as well as

bat Bats are mammals of the order Chiroptera.''cheir'', "hand" and πτερόν''pteron'', "wing". With their forelimbs adapted as wings, they are the only mammals capable of true and sustained flight. Bats are more agile in flight than most ...

s. The large durian fruit it bears has thick, yellow flesh with a mild, sweet taste and creamy texture similar to that of ''

Durio zibethinus ''Durio zibethinus'' is the most common tree species in the genus '' Durio'' that are known as durian and have edible fruit also known as durian. As with most other durian species, the edible flesh emits a distinctive odour that is strong and pe ...

''. It bears fruit late in the season.

Usage

It is cultivated in

East Kalimantan East Kalimantan ( Indonesian: ) is a province of Indonesia. Its territory comprises the eastern portion of Borneo. It had a population of about 3.03 million at the 2010 census (within the current boundary), 3.42 million at the 2015 census, and 3 ...

and has been introduced to

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , establishe ...

. In

Brunei Brunei ( , ), formally Brunei Darussalam ( ms, Negara Brunei Darussalam, Jawi: , ), is a country located on the north coast of the island of Borneo in Southeast Asia. Apart from its South China Sea coast, it is completely surrounded by t ...

, the fruit of ''D. kutejensis'' is preferred by local consumers over that of ''D. zibethinus'', though the latter is the only durian species available in the international market. The fruit is also said to have fewer of the unpleasant flavors that ''D. zibethinus'' has.

Gallery

Image:Durio kutej F 070203 ime.jpg, ''Durio kutejensis'' fruit, Muara Lawa, Kutai Barat,

Indonesia Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania between the Indian and Pacific oceans. It consists of over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guine ...

Image:Durio kutej F 070202 139 malw.jpg, ''D. kutejensis'' fruit, sold at roadside

market Market is a term used to describe concepts such as: *Market (economics), system in which parties engage in transactions according to supply and demand *Market economy *Marketplace, a physical marketplace or public market Geography *Märket, an ...

in Muara Lawa, Kutai Barat,

Image:Pekawai 070314 0221 utk.jpg, ''D. kutejensis'' from Sungai Utik,

Kapuas Hulu Kapuas Hulu Regency is a regency in West Kalimantan province of Indonesia. Located around Kapuas River, it has a total area of 29,842.03 square kilometres or around 20.26% of West Kalimantan province's area. The regency seat is located in town of ...

West Kalimantan West Kalimantan ( id, Kalimantan Barat) is a province of Indonesia. It is one of five Indonesian provinces comprising Kalimantan, the Indonesian part of the island of Borneo. Its capital city is Pontianak. The province has an area of 147,307&nbs ...

Description

Usage

Gallery

References

Further reading