Adenium obesum (Sabi Star, Kudu, Mock Azalea, Impala Lily, Desert Rose.)


Botanical Information

FamilyApocynaceae
GenusAdenium
Speciesobesum
CategoryTropicals
TypeShrub (evergreen)
OriginSahel Eastern and Southern Africa, Arabia.
Ethnobotanical Uses
Disclaimer
Produces a sap in its roots and stems that contains cardiac glycosides. This sap is used as arrow poison for hunting large game throughout much of Africa, and as a fish toxin.

Details

USDA Hardiness Zone10b - 12
USDA Hardiness Ref.
Canadian Hardiness ZoneRequires cold season protection under glass.
Canada Hardiness Ref.
RHS Hardiness ZoneH1b - H2
RHS Hardiness Ref.
Temperature (°C)1 - 15
Temperature (°F)33.8 - 59
Height1 - 3 m
Spread1 - 1.5 m
GrowthSlow

Description and Growing Information

LandscapeUsually grown indoors as a houseplant or bonsai.
PropagationA. obesum are typically propagated by seed or stem cuttings. The numerous hybrids are propagated mainly by grafting onto seedling rootstock. While plants grown from seed are more likely to have the swollen caudex at a young age, with time many cutting-grown plants cannot be distinguished from seedlings.
CultivationIt requires a sunny location and a minimum indoor temperature in winter of 10 °C . It thrives on a xeric watering regime as required by cacti.
PestsPolka-dot wasp moth caterpillars.
Notable SpecimensNiagara Parks Botanical Gardens, Niagara Falls, Ontario, Canada. Royal Park Rajapruek, Mae Hia, Thailand.
HabitatSahel regions
Leaf DescriptionThe leaves are spirally arranged, clustered toward the tips of the shoots, simple entire, leathery in texture, 5–15 cm long and 1–8 cm broad.
Flower DescriptionThe flowers are tubular, 2–5 cm long, with the outer portion 4–6 cm diameter with five petals.
Colour DescriptionThe flowers tend to red and pink, often with a whitish blush outward of the throat.

Photographs