Study of Hibiscus Plants by Adolf Senff

Plant of the Month: Hibiscus

Nearly synonymous with the global tropics and subtropics, hibiscus symbolizes the Caribbean’s transnational past, present, and future.
An olive grove infested with Xylella fastidiosa in Apulia, Italy.

The A-to-X of Olive Quick Decline Syndrome

The syndrome, caused by the bacterium Xyllella fastidiosa, was first detected in southern Italy in 2013. Can ancient olive orchards survive its effects?
Cordyceps militaris

“There’s Gold in Them Thar Fungi”: Cordyceps as Cash Crop

A fungus in the genus Cordyceps has us running scared. But some of its species are worth more than their weight in gold.
Botanical illustration of Sisymbrium irio Linnaeus (unknown artist, 1896-1898)

Plant of the Month: London Rocket

London rocket was observed in abundance following the Great Fire of London in 1666, but why does this non-native weed still interest English botanists?

What it Sounds Like When Doves Cry

A century ago, an ornithologist proposed a system for transcribing bird sound as human speech. It did not catch on.
Brown Bears Sitting Together

Celebrate World Bear Day!

The joy and concern we feel on World Bear Day perfectly represents our complicated—and sometimes contradictory—feelings about these massive mammals.
Cougar Silhouette

Ghost Cats of the East

Why do people claim to see cougars in the eastern United States when the cats are now extremely rare in that part of North America?
Watercolor illustration of Plumeria Acuminata commissioned by Scottish doctor and botanist William Roxburgh, late 18th century or early 19th century.

Plant of the Month: Frangipani

An ornamental plant whose white flowers hang over graveyards and temples in Southeast Asia presents complicated questions on national belonging and religious identity.
An illustration of Morning Glory flowers

Aphrodisiacs of the Aztec and Inca

Aztec and Inca societies used a huge number of aphrodisiacs, from peanuts to hallucinogenic mushrooms to insect larvae.
Salamander on finger.

The Next (Salamander) Epidemic

Everybody loves salamanders, especially the exotic pet industry. But importing these amphibians helps spread diseases like Bsal and Bd to native populations.