Shorea Havilandii
   HOME

TheInfoList



OR:

''Shorea havilandii'' is a tree in the family
Dipterocarpaceae Dipterocarpaceae is a family of 16 genera and about 695 known species of mainly tropical lowland rainforest trees. The family name, from the type genus ''Dipterocarpus'', is derived from Greek (''di'' = two, ''pteron'' = wing and ''karpos'' = fru ...
, native to
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 eas ...
. It is named for the English naturalist
George Darby Haviland George Darby Haviland (1857–1901) was a British surgeon and naturalist. He was born at Warbleton, Sussex in England. He served as Director of the Raffles Museum in Singapore as well as being a medical officer in Sarawak and Curator of the Sa ...
.


Description

''Shorea havilandii'' grows up to tall, with a trunk diameter of up to . It has
buttresses A buttress is an architectural structure built against or projecting from a wall which serves to support or reinforce the wall. Buttresses are fairly common on more ancient buildings, as a means of providing support to act against the lateral (si ...
up to tall. The bark is flaky to cracked. The leathery leaves are
elliptic In mathematics, an ellipse is a plane curve surrounding two focal points, such that for all points on the curve, the sum of the two distances to the focal points is a constant. It generalizes a circle, which is the special type of ellipse in ...
to
ovate Ovate may refer to: *Ovate (egg-shaped) leaves, tepals, or other botanical parts *Ovate, a type of prehistoric stone hand axe *Ovates, one of three ranks of membership in the Welsh Gorsedd *Vates In modern English, the nouns vates () and ovat ...
and measure up to long. The
inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...
s measure up to long and bear up to seven cream flowers.


Distribution and habitat

''Shorea havilandii'' is
endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...
to Borneo. Its habitat is in
kerangas The Sundaland heath forest, also known as ''Kerangas'' forest, is a type of tropical moist forest found on the island of Borneo, which is divided between Brunei, Indonesia, and Malaysia, as well as on the Indonesian islands of Belitung and Bangk ...
and swamp forests, to elevations of around .


Conservation

''Shorea havilandii'' has been assessed as
least concern A least-concern species is a species that has been categorized by the International Union for Conservation of Nature (IUCN) as evaluated as not being a focus of species conservation because the specific species is still plentiful in the wild. T ...
on the
IUCN Red List The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is the world's most comprehensive inventory of the global conservation status of biol ...
and is considered abundant although declining in population. There are some threats to the species, including conversion of land for intensive agriculture, such as
palm oil Palm oil is an edible vegetable oil derived from the mesocarp (reddish pulp) of the fruit of the oil palms. The oil is used in food manufacturing, in beauty products, and as biofuel. Palm oil accounted for about 33% of global oils produced from ...
plantations. The species is also threatened by logging for its timber. ''Shorea havilandii'' does occur in a number of protected areas.


References

havilandii Endemic flora of Borneo Plants described in 1895 {{Dipterocarpaceae-stub