
Oleander
Local name: Farang oleander (middle)
Common name: Oleander
Scientific name: Nerium oleander L.
genus Nerium
oleander species
Synonym
Nerion oleandrum St.-Lag.
Nerium carneum Dum.Cours.
Nerium flavescens Spin
Nerium floridum Salisb.
Nerium grandiflorum Desf.
Family name APOCYNACEAE
Botanical characteristics
The trunk is a shrub, 2-5 m tall. All parts contain white latex.
Leaves are single, arranged in a circular pattern of 3 leaves or arranged oppositely. Narrow parallelogram shape, thick, glossy leaf blades, testy base, pointed leaf tip, smooth leaf margins.
Flowers: Flowers appear in clusters in leaf axils and at the ends of branches. The petals have 5 petals connected together to form a trumpet-shaped tube. There are both single-petal and double-petal types. Oleander flowers are usually red, white, pink, or yellow.
Fruit The fruit has a double pod, fusiform shape, with a seam on one side.
Seeds The seeds are parallelogram shaped. There is a tuft of white hair at the tip.
Ecological conditions
outdoor
ecological conditions
Can be grown in all types of soil. Likes full sun, drought tolerant, moderate to little water.
Place of origin
Native to southern Europe. Northern Africa and southwest Asia
Distribution
Distributed in Asia such as Thailand.
Planting and propagation
Propagated by cuttings.
Flowering period
All year long
Utilization type
herbs, ornamental plants
The roots are poisonous, causing suffocation and death, causing miscarriage, and treating ringworm.
The bark is very poisonous and can cause death. It cures leprosy and sores. The leaves are the right size. Has a heart-nourishing effect If eaten in excess, it is toxic to the heart and can lead to death. The flowers nourish the heart, make the pulse beat faster, relieve headaches. Using too much can be life-threatening.
Effects: Use a small amount as a diuretic. And nourish the heart. Seeds and resin are toxic to the heart.
Popularly grown as an ornamental flower plant.
note : https://www.royalparkrajapruek.org/Plants