1949, postage stamp from Belgium featuring Mountain Arnica flowers. Mountain arnica is a poisonous plant, but it has been used in herbal medicines. Extracts of mountain arnica have been studied on its effectiveness in…

1949, semi-postal stamp from Belgium featuring Periwinkle (Vinca). Periwinkle is known for producing alkaloids like vincristine and vinblastine. These compounds are potent anticancer agents used in chemotherapy for…

Two 1953 Bulgarian postage stamps featuring an illustration of Rosa canina, commonly known as the Dog Rose or Rose Hip. Rose hips have high levels of Vitamin C, antioxidants, and fatty acids. It is widely used in tea to…

1953 Bulgarian postage stamp featuring an illustration of deadly nightshade (Atropa belladonna). Deadly Nightshade's alkaloids, such as atropine and scopolamine, are used in modern medicine to dilate pupils, treat…

1959 postage stamp from Yugoslavia featuring an illustration of Rosa canina, commonly known as the Dog Rose or Rose Hip. Rose hips have high levels of Vitamin C, antioxidants, and fatty acids. It is widely used in tea…

1957 postage stamp from Yugoslavia featuring an illustration of deadly nightshade (Atropa belladonna). Deadly Nightshade's alkaloids, such as atropine and scopolamine, are used in modern medicine to dilate pupils, treat…

1957 Yugoslavian postage stamp featuring an illustration of Valerian (Valeriana officinalis). Valerian is a plant that was used by the Greeks and Romans to treat insomnia, migraines, fatigue, and stomach cramps. Today,…

1958 stamp from Macau, which was a Portuguese overseas province in West Africa from 1588 until 1974. The stamp features a botanical illustration of Maytenus senegalensis. Maytenus senegalensis, also known as spike…

1959 postage stamp from Spanish Guinea (Republic of Equatorial Guinea) featuring a castor oil plant. This stamp is part of a series for the "Pro-Infancia" (For Childhood) fund.

1957 postage stamp from Yugoslavia, depicting the Scopolia carniolica plant. Scopolia carniolica is a highly toxic plant containing potent tropane alkaloids, primarily scopolamine and hyoscyamine. The plant is the…

1960 postage stamp from the German Democratic Republic (East Germany) featuring an illustration of Rosa canina, commonly known as the Dog Rose or Rose Hip. Rose hips have high levels of Vitamin C, antioxidants, and…

1961 postage stamp from Suriname featuring an illustration of citrus fruits. Citrus has been cultivated in Suriname dates back to the 17th century. Citrus was initially a minor crop, but it became a key export in the…

1961 Soviet Union postage stamp featuring an illustration of Rosa canina, commonly known as the Dog Rose or Rose Hip. Rose hips have high levels of Vitamin C, antioxidants, and fatty acids. It is widely used in tea to…

First Day Cover (FDC) issued in Poland on June 14, 1961, as part of a series dedicated to Protected Plants (Rośliny Chronione). The bottom left of the envelope features an illustration of a hand sheltering a blooming…

1961 Japanese postage stamp featuring a Gentian flower. Gentian plants are used as a herbal medicine for a variety of ailments such as digestive issues, hypertension, and muscle spasms.

1961 Hungarian postage stamp featuring an illustration of orange mullein (Verbascum phlomoides). Traditionally, orange mullein flowers are used in teas or infused in oils to treat respiratory issues, reduce…

1961 postage stamp from Suriname featuring an illustration of coconuts (Cocos nucifera). In Suriname, every part of the coconut is used in home remedies and holistic medicine. Tea is made from coconut husks to treat…

1961 postage stamp from Cyprus features an illustration of citrus fruit alongside a portrait of Queen Elizabeth II (1926–2022), reflecting the island’s agricultural heritage and its historical ties to the British Crown.…

1962 postage stamp from Poland featuring an illustration of a Snowdrop anemone (Anemonoides sylvestris). Snowdrops, also known as wood anemones, are considered an endangered species and are protected in Poland. This…

1964 postage stamp from Niger featuring an illustration of a Coral bush (Russelia equisetiformis), also known as a firecrack plant. Russelia equisetiformis (firecracker plant/coral bush) is used in traditional medicine…

1964 Australian postage stamp featuring an illustration of Poison Nut (Cerbera odollam). Poison nut bears a fruit whose seed yields a poison called cerberin. Poison nut was commonly used in trials by ordeal in…

Postage stamp featuring an illustration of a variety of tree peonies called Pea Green. This stamp is part of a stamp series titled "Tree Peonies," which was issued in 1964 by the People's Republic of China.

1965 Czechoslovakian postage stamp featuring an illustration of a Cornflower (Centaurea cyanus). Cornflower is traditionally used in herbal medicine to treat a wide range of ailments such as itching, coughs,…

1965 postage stamp from Yugoslavia featuring an illustration of deadly nightshade (Atropa belladonna). Deadly Nightshade's alkaloids, such as atropine and scopolamine, are used in modern medicine to dilate pupils, treat…

1965 postage stamp from Czechoslovakia featuring an illustration of Rosa canina, commonly known as the Dog Rose or Rose Hip. Rose hips have high levels of Vitamin C, antioxidants, and fatty acids. It is widely used in…