1. Family: Papilionaceae Genus: Arachis Species: hypogaea
Peanut
Family: Papilionaceae
Genus: Arachis Species: hypogaea
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

2. Epigeal germination epicotyl cotyledon hypocotyl
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

3. Seedling pinnately compound leaf epicotyl cotyledon hypocotyl
primary root
secondary root
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

4. Root: tap root system primary root secondary root nodule
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

5. Leaf: even-pinnately compound leaf / even-pinnate
rachis
leaflet
petiolule
petiole
stipule
stem
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

6. Flower : solitary flower
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

7. Flower : solitary flower
banner
wing
hypanthium
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

8. petal 5 กลีบ (banner หรือ standard 1 กลีบ, wing 2 กลีบ, keel 2 กลีบ)
Floral structure
petal 5 กลีบ (banner หรือ standard 1 กลีบ, wing 2 กลีบ, keel 2 กลีบ)
banner
keel
calyx tube
wing
hypanthium
stigma
calyx tube
style
anther
staminal column
hypanthium
bract
anther สมบูรณ์ 8 อัน เป็นหมัน 2 อัน
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

9. Fruit: legume peg (gynophore) ovary peg pod
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

10. Fruit: legume secondary root pod nodule primary root pericarp
seed coat
(testa)
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University

11. Seed cotyledon seed coat plumule radicle
© Department of Agronomy, Faculty of Agriculture at Kamphaeng Saen, Kasetsart University