Steinmetz:Rhododendron

Rhododendron chrysanthum

Also known as (or relevant to) Rhododendron chrysanthum Rhododendron arboreum Family Ericaceae English Names Siberian Yellow-flowered Rhododendron Snow Rose Natural Habitat Eastern Siberia (in the snow-covered mountains) European Alps Northern Russia Part(s) Used Folia Rhododendri chrysanthi

Constituent(s) essential oil ericolin tannin andromedotoxin arbutin rhododendrol rhododendrin Action astringent diuretic stimulant sedative narcotic; used for rheumatism and gout

Links

• Information in Von Esenbeck's book

Rhododendron ferrugineum

Also known as (or relevant to) Rhododendron ferrugineum Rhododendron hirsutum Family Ericaceae English Names Rose-Bay Natural Habitat Alps mountains of Central Asia Part(s) Used Folia Rhododendri ferruginei

Constituent(s) essential oil tannin ericinol ericolin arbutin andromedo-toxin rhododendrin citric acid wax resin Action anti-rheumatic sudorific depurative diuretic narcotic toxic (the dried plant is considered inoffensive). - The galls growing on the leaves furnish the famous "Marmote oil"

Links

• Information in Von Esenbeck's book

Rhododendron ponticum

Also known as (or relevant to) Rhododendron ponticum Family Ericaceae English Names Common Azalea Natural Habitat North America Siberia India (in the mountains); cultivated in Europe Part(s) Used Folia Rhododendri pontici Flores Rhododendri pontici

Action antirheumatic narcotic intoxicating. The leaves are particularly useful in the treatment of hydrocele