''Shorea astylosa'' is a species of
plant
Plants are predominantly Photosynthesis, photosynthetic eukaryotes of the Kingdom (biology), kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all curr ...
in the family
Dipterocarpaceae. It 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 els ...
to the
Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, Republika kan Filipinas
* ceb, Republika sa Pilipinas
* cbk, República de Filipinas
* hil, Republ ...
, where it is known as ''yakal'' in the
Filipino language
Filipino (; , ) is an Austronesian language. It is the national language ( / ) of the Philippines, and one of the two official languages of the country, with English. It is a standardized variety of Tagalog based on the native dialect, sp ...
.
Yakal is a medium to large tree about 25 to 30 meters tall. Its wood is hard and dark brownish-yellow, its branchlets slender, blackish, and slightly hairy.
Its leaves are coriaceous, ovate to lanceolate, or oblong-lanceolate or apex acuminate. The base are rounded to cuneate, glabrous above and slightly hairy underneath. Its blade is 6.5-nine centimeters long and two-4.5 centimeters wide, with its petiole slender, 10-23 millimeters long, and dark.
Its inflorescence are axillary, paniculate, and up to about six centimeters long, with its flowers yellow, very short-stalked, and about 12 millimeters long. The flowers' petals are narrowly oblong or oblong-lanceolate, more or less twisted in bud, rounded at apex, 18 millimeters long, and reticulate.
Habitat
Yakal is commonly found in
Luzon
Luzon (; ) is the largest and most populous island in the Philippines. Located in the northern portion of the Philippines archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, ...
island, particularly in the
Quezon
Quezon, officially the Province of Quezon ( tl, Lalawigan ng Quezon), is a province in the Philippines located in the Calabarzon region on Luzon. Kalilayan was the first known name of the province. It was later renamed Tayabas. In honor of the ...
and
Camarines areas, as well as in the islands of
Samar
Samar ( ) is the third-largest and seventh-most populous island in the Philippines, with a total population of 1,909,537 as of the 2020 census. It is located in the eastern Visayas, which are in the central Philippines. The island is divided in ...
,
Negros, and
Mindanao
Mindanao ( ) ( Jawi: مينداناو) is the second-largest island in the Philippines, after Luzon, and seventh-most populous island in the world. Located in the southern region of the archipelago, the island is part of an island group of t ...
(particularly in the island's
Zamboanga,
Agusan, and
Davao regions). It can also be found in
primary forest
An old-growth forestalso termed primary forest, virgin forest, late seral forest, primeval forest, or first-growth forestis a forest that has attained great age without significant disturbance, and thereby exhibits unique ecological featur ...
s at low altitudes.
Uses
Traditional use
Traditional wood extractions of yakal are due to the wood's being tumor-inhibiting.
Contemporary use
Contemporary harvests of yakal are for high-grade construction, bridges and wharves, mine timber, and other installations requiring high strength and durability.
Yakal
rafi.org.ph
References
External links
*
*
astylosa
Endemic flora of the Philippines
Trees of the Philippines
Endangered flora of Asia
Taxonomy articles created by Polbot
{{Dipterocarpaceae-stub