Scientists Discover New Tree Species in Mexico

A new species of Mexican tree, Coutaportla lorenceana, has been discovered in the Sierra Madre Occidental. The tree is a microendemism, found only in a specific area. It has lavender flowers and is part of the Rubiaceae family.

Scientists Discover New Tree Species in Mexico
Coutaportla lorenceana, a newly discovered Mexican tree with lavender bell-shaped flowers, thriving in the Sierra Madre Occidental. Credit: UNAM

By now, we’ve all heard stories of brave explorers venturing deep into the uncharted wilderness, machete in hand, carving through thick jungle, wrestling snakes, and fending off giant insects. But the heroic botanist, tirelessly hiking up a mountain to study an obscure shrub, rarely gets a mention in the adventure narrative. Yet, Alejandro Torres Montufar, a man with the perseverance of an ox and the patience of a saint, is living proof that there’s just as much danger, excitement, and reward in finding a new species of tree as there is in tracking down lost treasure. In this case, Torres Montufar's treasure is the newly discovered Coutaportla lorenceana – a name that rolls off the tongue like an exotic spell and promises a tale as old as the mountains in which it was found.

Now, before we dive into the details of this discovery, allow me to set the scene. Picture, if you will, the rugged, untamed wilderness of the Sierra Madre Occidental, the sort of place where you can’t walk five minutes without either tripping over a jagged rock or being eaten alive by mosquitoes. The region, on the border between Sinaloa and Durango, is as remote as it gets—perfect for anyone who prefers trees and solitude over people and Wi-Fi.

It’s here that Torres Montufar and his team decided to traipse about in 2019, in search of a tree so elusive that up until now, it hadn’t even graced the pages of a textbook. Sure, they’d seen hints of it back in 2018, but they were cautious scientists, skeptical of their own eyes. But when the team returned the following summer, they encountered the little beauty in full bloom, waving its lavender bell-shaped flowers at them as if to say, “About time, chaps!”

Now, what makes this Coutaportla lorenceana such a rare gem is not just its good looks. No, it’s far more complicated than that. The tree is what’s known as a microendemic, which in botanical parlance means “it exists in one place on Earth and one place only.” And that place, lucky for us, happens to be the temperate forests of El Palmito, a rocky slope-laden corner of the Sierra where the wind does curious things. Torres Montufar hypothesizes that the tree grows in a unique transition zone, where the mountain acts like some sort of meteorological gatekeeper. The Pacific breeze comes rolling in, gets blocked by the mountain, and then drops just enough moisture in this one secluded spot to keep the little tree happy. It’s a botanical Goldilocks zone: not too dry, not too wet—just right.

But don’t be fooled into thinking this is just another pretty plant for people to snap Instagram pics of. Coutaportla lorenceana is no shrinking violet (pun fully intended). It belongs to the Rubiaceae family, which, if you’re not up on your Latin plant names, is a big deal in the world of angiosperms—the flowering plants that make up most of what we see when we think of forests, meadows, and gardens. Rubiaceae is the same family that includes coffee, so it’s fair to say that this is not a family to be sniffed at. And like many of its famous relatives, Coutaportla lorenceana has a trick up its sleeve: it produces lovely aromas that attract pollinators, those diligent little creatures that ensure the tree's survival. It’s all part of a grand evolutionary strategy, like setting out snacks to lure guests to a party.

Let’s not gloss over the significance of this discovery. New species aren't found every day, especially ones that have managed to hide in plain sight. Coutaportla lorenceana, mind you, is no towering redwood; it stands at a modest two to four meters, its resinous branches waving delicately in the mountain breeze, hoping no one’s paying too much attention. But of course, once Torres Montufar got his hands on it, there was no going back. He trudged back to his lab, stared into a microscope until his eyes probably went blurry, and eventually realized he wasn’t looking at something already known to science. He was looking at something entirely new. And that’s when things got serious.

It turns out that cataloging a new species isn’t just about saying, “Hey, look what I found!” No, there’s paperwork involved—lots of it. You have to meticulously document every petal, every leaf, every quirk of the tree's physiology, all while keeping in mind that somewhere, possibly thousands of miles away, there’s another botanist waiting to rip your work apart if you get anything wrong. This, folks, is why I stick to describing cars and not plants. The stakes are too high.

And speaking of high stakes, here’s where the story takes a rather grim turn. The very forest where Coutaportla lorenceana was found is being ravaged by logging operations. Yes, while Torres Montufar and his team were marveling at their discovery, the sound of chainsaws and the sight of felled trees reminded them that their new species might not have long to enjoy its place in the sun. This is where the importance of conservation steps in. Torres Montufar’s discovery isn’t just a nice footnote in a scientific journal—it’s a warning. If we don’t protect these ecosystems, the Coutaportla lorenceanas of the world won’t just be rare; they’ll be extinct. And when that happens, it’s not just a loss for Mexico or for botany—it’s a loss for all of us.

But let’s not get too downbeat. There’s hope yet. Torres Montufar and his colleagues are already pushing for the area to be declared a protected zone, and while bureaucracy is rarely swift, it’s a step in the right direction. Moreover, this discovery has far-reaching implications. Who knows what chemical compounds Coutaportla lorenceana might produce? The potential for pharmaceutical breakthroughs is enormous. One humble tree could hold the key to the next major medical discovery.

So here we are, with a brand-new species of tree, a looming threat to its habitat, and the prospect of game-changing scientific advancements. Coutaportla lorenceana may be small, but its significance is massive. And while we might not all be able to trek up the Sierra Madre to witness its lavender blooms firsthand, we can at least hope that Torres Montufar's work will inspire the rest of us to value the wonders of the natural world—before they vanish forever.

In the end, it’s discoveries like this that remind us how much we still have to learn about our planet. There are mysteries hidden in every nook and cranny, from the darkest depths of the ocean to the most remote mountaintops. All we need is someone brave—or perhaps stubborn—enough to go looking for them. And thank heavens for that.