Thevetia peruviana (Yellow Oleander)


Botanical Information

FamilyApocynaceae
GenusThevetia
Speciesperuviana
CategoryTropicals
TypeShrub (evergreen)
ReferencesK. Schum. 1985. Yellow Oleander. Plant of the Month. January 2014. Kishan S, and Vimlesh M. 2012. International research journal of pharmacy. ISSN 2230-8407. IRJP 2012. 3(4)
OriginTropical Central and South America.
Ethnobotanical Uses
Disclaimer
All parts of Thevetia peruviana are toxic, especially, the seed. If eaten, visible symptoms might be diarrhea, vomiting, dizziness and irregular heartbeat.

Details

USDA Hardiness Zone8a - 10a
USDA Hardiness Ref.
Canadian Hardiness Zone8a - 10a
Canada Hardiness Ref.
RHS Hardiness ZoneH3 - H4
RHS Hardiness Ref.
Height1.2 - 2.4 m
Spread1.2 - 1.5 m
GrowthFast
Flowering PeriodMarch, April, May, June

Description and Growing Information

General DescriptionA medium sized fast growing shrub with long green leaves and bright yellow flowers.
LandscapeThe plant can be used as a container plant, as hedges, borders and screens.
PestsInsects and diseases are not a serious problem. Caterpillars chew on the leaves.
HabitatIt can be found in savanna, pastures and riparian land.
Bark/Stem DescriptionThe bark on young plants is a pale green-olive colour while mature bark is a pale grey.
Leaf DescriptionThe simple, long leaves are arranged spirally. The petiole is short, leaf blade is linear and has obscure venation, 7.5-15 cm long. 0.5-1.5 cm wide.The leaves are coated in wax.
Flower DescriptionThe flowers are vivid yellow and have 5 petals that are spirally twisted. It is fragrant, showy, funnel-shaped and 5 cm long.
Fruit DescriptionThe fruit are fleshy and globular, 4-5 cm, colour changes from green to black through ripeness. Its sometimes called lucky nut and the seed inside is a smooth brown stone.

Photographs