Shorea astylosa

Shorea astylosa
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Dipterocarpaceae
Genus: Shorea
Species:
S. astylosa
Binomial name
Shorea astylosa
Foxw.

Shorea astylosa is a species of plant in the family Dipterocarpaceae. It is endemic to the Philippines, where it is known as yakal in the Filipino language.

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 island, particularly in the Quezon and Camarines areas, as well as in the islands of Samar, Negros, and Mindanao (particularly in the island's Zamboanga, Agusan, and Davao regions). It can also be found in primary forests 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.[2][1]

References

  1. ^ a b Energy Development Corporation; et al. (EDC) (2020). "Shorea astylosa". IUCN Red List of Threatened Species. 2020: e.T33107A114505162. doi:10.2305/IUCN.UK.2020-1.RLTS.T33107A114505162.en. Retrieved 14 November 2021.
  2. ^ Yakal Archived 2016-11-13 at the Wayback Machine. rafi.org.ph


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