1. Oil Palm Family: Palmae Genus: Elaeis Species: guineensis
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

2. Seedling shoot seed adventitious root secondary root primary root
fibrous root system
shoot
primary root
secondary root
adventitious root
seed
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

3. Stem leaf stalk leaf base trunk bole
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

4. Stem right dimension left dimension
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

5. Leaf petiole (leaf stalk) rachis
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

6. Leaf: pinnately compound leaf
adaxial
abaxial
rachis
midrib
leaflet
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

7. Leaf midrib spine fiber spine petiole (leaf stalk)
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

8. Monoecious plant ช่อดอกแบบ compound spike
Staminate flower: compound spike (spadix)
pollen
(yellow powder)
peduncle
Monoecious plant ช่อดอกแบบ compound spike
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

9. Pistillate flower: compound spike (spadix)
peduncle
bracteole
bract
stigma
perianth
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

11. Fruit: drupe
bunch
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

12. Fruit: drupe Pisifera Dura exocarp kernel (endosperm) endocarp
Tenera
exocarp
mesocarp
(pulp)
endocarp
kernel
(endosperm)
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University