Azolla filiculoides: Balancing Environmental Promise and Peril
One of the world’s tiniest fern species, Azolla filiculoides may be one of our greatest tools for lowering agricultural pollution and greenhouse gas emissions.
Ghost of the Forest: Monotropa uniflora
Look for this other-worldly plant in moist, shaded areas of mature forests throughout much of North America, East Asia, and northern South America.
Saffron: The Story of the World’s Most Expensive Spice
Appearing in the written record as early as 2300 BCE, saffron can be traced in foodways around the globe, despite the finicky nature of its harvest.
Switchgrass: An Old Grass Gets a New Use
The perennial prairie grass used to cover large swaths of the American Midwest, creating vibrant ecosystems where birds, butterflies, and bison roamed.
Cinchona: A Legacy of Extraction and Extirpation
The source of quinine, cinchona tells a story about the value placed on parts of plants and how that value can be extracted and distorted in support of empire.
Quinoa: Rise of an Andean Superfood
Once considered a minor crop for Indigenous communities, quinoa’s journey to worldwide stardom was centuries in the making.
The Long Shadow of Adelbert von Chamisso
An exiled French aristocrat who wrote in German and explored California in the name of Russia, von Chassimo inspired Marx, Offenbach, and even Wilde.
Guaraná: Stimulation from the Amazon to the World
Long cherished by Indigenous peoples for its medicinal and stimulating properties, guaraná remains a key element of Brazilian identity.
Plant of the Month: Indigo
The cultivation of this plant for its cherished blue dye tells the story of exploitative agricultural practices—and, hopefully, its reversal.
Plant of the Month: Hibiscus
Nearly synonymous with the global tropics and subtropics, hibiscus symbolizes the Caribbean’s transnational past, present, and future.