Rhododendron luteum

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"Azalea pontica" redirects here. For Rhododendron ponticum, see Rhododendron ponticum.
Rhododendron luteum
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Asterids
Order: Ericales
Family: Ericaceae
Genus: Rhododendron
Subgenus: Pentanthera
Section: Pentanthera
Species: R. luteum
Binomial name
Rhododendron luteum
Sweet
Synonyms

Azalea pontica, Rhododendron flavum

Rhododendron luteum, Yellow Azalea or Honeysuckle Azalea is a species of Rhododendron native to southeastern Europe and southwest Asia. In Europe, it occurs from southern Poland and Austria south through the Balkans and east to southern Russia, and in Asia, east to the Caucasus.

It is a shrub growing to 3 m tall, rarely 4 m. The leaves are deciduous, 5-10 cm long and 2-4 cm broad. The flowers are 3-4 cm diameter, bright yellow, and strongly perfumed, produced in trusses of 5-25 together. The fruit is a dry capsule 15-25 mm long, containing numerous small seeds.

Despite the sweet perfume of the flowers, the nectar is toxic, containing grayanotoxin; records of poisoning of people eating the honey date back to the 4th century BC in Classical Greece.

Cultivation and uses

It is widely cultivated in western Europe, used both as an ornamental plant in its own right, and as a rootstock onto which other azalea cultivars are grafted. It is locally naturalised in western and northern Europe. In Britain it has colonised many wet heaths and bogs, but unlike its relative Rhododendron ponticum it does not usually form dominant stands and so is of lower nature conservation concern.

Cultural references

The plant is depicted instead of the crown above the coat of arms of the Local Community of BoĊĦtanj. It has been chosen because the area is one of the rare growing places of Rhododendrom luteum in Slovenia. The coat of arms was created in 1998 by the artist Rudi Stopar.

References

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