This presentation is all about Red Lauan, an endemic plant of the Philippines

1. (Shorea Negrosensis)
GALIZA, Judy Anne V.| Department of Biology, College of Science,
Polytechnic University of the Philippines | Article published on July 30, 2018
Taxonomy
Etymology
Diagnostic Characters
Biogeography and Ecology
Mode of Seed Dispersal Economic Uses Conservation Uses

2. GALIZA, Judy Anne V.| Department of Biology, College of Science,
Polytechnic University of the Philippines | Article published on July 30, 2018
Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Malvales Dipterocarpaceae
Scientific Name: (Shorea Negrosensis)
Common Name(s):
English- Red Lauan Filipino- Malatabang

3. horea is a genus of about
196 species of mainly rainforest trees in
the family Dipterocarpaceae.
GALIZA, Judy Anne V.| Department of Biology, College of Science,
Polytechnic University of the Philippines | Article published on July 30, 2018
The Governor-General of the British East India Company, 1793–1798.
SIR JOHN SHORE
NEGROSENSISLocality of the species
SHOREA NEGROSENSIS

4. GALIZA, Judy Anne V.| Department of Biology, College of Science,
Polytechnic University of the Philippines | Article published on July 30, 2018
Large tree up 50 m tallBole branchless= 20- 30 mDiameter= 200 cmStraight- cylindrical bole

5. GALIZA, Judy Anne V.| Department of Biology, College of Science,
Polytechnic University of the Philippines | Article published on July 30, 2018
Red Lauan- Bark
dark brown to nearly
black with reddish
tinge
inner bark is
reddish and strongly
in texture

6. GALIZA, Judy Anne V.| Department of Biology, College of Science,
Polytechnic University of the Philippines | Article published on July 30, 2018
Red Lauan- Leaves
toughsmoothoblong in shape
17 cm
7.5 cm
dark green abovehairy along nerves beneath

7. GALIZA, Judy Anne V.| Department of Biology, College of Science,
Polytechnic University of the Philippines | Article published on July 30, 2018
Red Lauan- Fruit
turban-shaped1.9 centimeters widecovered with silky yellow hairsproduce five long wings

8. GALIZA, Judy Anne V.| Department of Biology, College of Science,
Polytechnic University of the Philippines | Article published on July 30, 2018
Figure 5: Map of the
Philippines where the
Species has been
Planted.
-http://www.worldagroforestry.org/
remaining lowland
seasonal/low altitudes and
evergreen dipterocarp
forest.
remaining lowland
seasonal/low altitudes and
evergreen dipterocarp
forest.
LUZON
CagayanIsabelaNueva EcijaBataanBulacanLagunaQuezonCamarinesAlbaySorsogon
Polillo
(EASTERN COAST OF LUZON)
VISAYAS
SibuyanSamarNegrosCebuBiliranLeyteBucas Grande
MINDANAO
SurigaoAgusanMisamisDavao

9. RED LAUAN- SEED
GALIZA, Judy Anne V.| Department of Biology, College of Science,
Polytechnic University of the Philippines | Article published on July 30, 2018
WIND DISPERSAL
Captured by Judy Galiza
@National Museum of Natural History
July 12, 2018

10. GALIZA, Judy Anne V.| Department of Biology, College of Science,
Polytechnic University of the Philippines | Article published on July 30, 2018
The heartwood red- brown is used in a wide range of
applications including interior and exterior panelling, joinery,
furniture, cabinetwork, carpentry, flooring, stairs, ship building,
boxes and crates, veneer, and plywood, particleboard
manufacture, sash and mill work, and boat planking and
decking.
Red lauan is a valuable export as sawn timber.The bark is suitable source of tannin extract.
In terms of medicine, it is reported that S.
negrosensis wood extractives are tumour-
inhibiting.

11. GALIZA, Judy Anne V.| Department of Biology, College of Science,
Polytechnic University of the Philippines | Article published on July 30, 2018
EROSION CONTROL
RECLAMATION
SOIL IMPROVER
BOUNDARY OR
BARRIER OR SUPPORT

12.  https://en.wikipedia.org/wiki/Shorea
 https://www.arkive.org/red-lauan/shorea-
negrosensis/image-G26385.html
 http://www.worldagroforestry.org/treedb/AF
TPDFS/Shorea_negrosensis.PDF
 www.zephyrus.co.uk/seeddispersalanswer.ht
ml
 http://tropical.theferns.info/viewtropical.php
?id=Shorea+negrosensis
GALIZA, Judy Anne V.| Department of Biology, College of Science,
Polytechnic University of the Philippines | Article published on July 30, 2018