And there it is, pictured, with two testicle-like growths near its base.

San Francisco State botanist Dennis Desjardins found the mushroom while exploring a tiny cluster of African islands that’s far older than the Galapogos, and he named the mushroom not only after his penis, but after his colleague, Robert Drewes.

According to the SF Chronicle:

Drewes has led three major expeditions to the island nation of São Tómé and Príncipe, located in the Gulf of Guinea off the coast of West Africa. Because so little is known of the plant and animal life on the islands, Drewes has encouraged specialists in every field of biology to explore their mist-shrouded mountains, grasslands and forests.

Drewes was a herpetologist (double Heh!), which means he mostly studied amphibians and reptiles. So just to recap: new mushroom species found, with a nice mushroom head, and it’s being named Phallus dreweseii after a dick and a herpetologist.

As Scientific American quips, “Herpetologist Robert Drewes will forever be remembered for his two-inch Phallus.”

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Mushroom a Sexy Find — With A Racy Name (SF Gate)