1961 Romanian postage stamp of Gentiana frigida (Arctic Gentian). Arctic Gentian is used in traditional medicine, particularly in Himalayan regions, to treat digestive disorders, jaundice, and fever. Known for its…

1973 stamp from the Soviet Union medical plant series, featuring an illustration of ginseng (Panax ginseng). Ginseng is commonly used in folk medicine and herbal medicine to increase energy, enhance immune function, and…

1949 Korean postage stamp featuring an illustration of ginseng. Ginseng is commonly used in folk medicine and herbal medicine to increase energy, enhance immune function, and reduce stress.

Two South Korean postage stamps featuring an illustration of Ginseng. Ginseng is commonly used in folk medicine and herbal medicine to increase energy, enhance immune function, and reduce stress.

1948 Austrian postage stamp featuring a trumpet gentian flower. Gentian plants are used as herbal medicine for a variety of ailments, including digestive issues, hypertension, and muscle spasms.

1950 postage stamp from Mauritius, featuring an illustration of an Aloe plant (Fourcroya gigantea) and a portrait of King George VI. Mauritius was a Crown colony, governed by the British from 1810 to 1968. The Aloe…

1966 Southern Rhodesian ( now Zimbabwe) postage stamp featuring an illustration of an aloe plant and a portrait of Queen Elizabeth II (1926-2022). The Aloe plant has been used in both traditional and modern medicine to…

1953 South African postage stamp featuring an illustration of Aloe africana plants. Aloe africana is a large tree-like plant. It has been used in both traditional and modern medicine to treat topical skin issues, as…

1950 postage stamp from Mauritius, featuring an illustration of an Aloe plant (Fourcroya gigantea) and a portrait of Queen Elizabeth II. Mauritius was a Crown colony, governed by the British from 1810 to 1968. The Aloe…

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.

1966 postage stamp from French Somaliland, now present day Djibouti, featuring an illustration of a Senna plant. Senna plants are native to Djibouti and have been used as natural laxatives.

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

1959 postage stamp from Yugoslavia featuring an illustration of alder buckthorn (Rhamnus frangula). Its bark has a variety of uses. As early as the 2nd century AD, buckthorn was believed to protect against witchcraft,…

1960 postage stamps from Rio Muni (Republic of Equatorial Guinea) featuring a Croton plant (Croton tiglium). These stamps are part of a series for the "Pro-Infancia" (For Childhood) fund.

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.

1958 postage stamp from São Tomé and Príncipe featuring an illustration of a Senna plant. Senna plants are native to Djibouti and have been used as natural laxatives.

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.

Postage stamp featuring an illustration of a variety of tree peonies called Intoxicated Immortal (醉仙挑). This stamp is part of a stamp series titled "Tree Peonies," which was issued in 1964 by the People's Republic of…

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

Postage stamp featuring an illustration of a variety of tree peonies called Twin Beauty (二喬). This stamp is part of a stamp series titled "Tree Peonies," which was issued in 1964 by the People's Republic of China.

Postage stamp featuring an illustration of a variety of tree peonies called Cinnabar Ramparts (硃砂壘). This stamp is part of a stamp series titled "Tree Peonies," which was issued in 1964 by the People's Republic of…

Postage stamp featuring an illustration of a variety of tree peonies called Gejin’s Purple (葛巾紫). This stamp is part of a stamp series titled "Tree Peonies," which was issued in 1964 by the People's Republic of China.

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

Postage stamp featuring an illustration of a variety of tree peonies called Gold Flecked Chinese Ink (墨撒金). This stamp is part of a stamp series titled "Tree Peonies," which was issued in 1964 by the People's Republic…

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