Rhododendron ponticum
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Rhododendron ponticum, called common rhododendron or pontic rhododendron, is a species of flowering plant in the heath family Ericaceae. It is native to the Iberian Peninsula in southwest Europe and t
Rhododendron ponticum ssp. baeticum in Cambarinho Botanical Reserve, Portugal
Rhododendron ponticum flower bud
R. ponticum inflorescence
Flower of Rhododendron ponticum
Grayanotoxin
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Grayanotoxins are a group of closely related neurotoxins named after Leucothoe grayana, a plant native to Japan and named for 19th-century American botanist Asa Gray. Grayanotoxin I is also known as a
Rhododendron ponticum
…if consumed in sufficient quantities, causing severe hypotension and bradycardia in humans. It is known as mad honey due to its toxic diterpenes (grayanotoxins). This poisonous honey plays a significant part in the 2023 film A Haunting in Venice. The sap from a freshly cut branch can be used to treat toothache…
Rhododendron luteum
Rhododendron ponticum