Forbidden Fruit by Randall Andrews

From the look of it, the jungle Kai and I are gathering fruit in could be the Amazon back on Earth. But it's not. Not by twenty light years.

“Have you tried one of these apple-looking things?” he asks as he reaches for a low-hanging branch.

I fail to respond because I'm distracted by a message from base camp. The scientists have finished dissecting the giant snake the soldiers killed. They're intrigued by the bulbous red tip of the creature's tongue, and I can see why. In the picture, it looks just like an apple.

“Kai, check this out. Kai…?”