Well, the century plant catches mice, bats, squirrels, any small mammals. Uses a sweet syrup as bait, then holds on to its catch and feeds on it.

12 seconds sound clip from the The Thing from Another World movie soundboard.

You can hear this line at 00:46:57 in the Blu-ray version of the movie.

Quote context

[...]

- I'm not therefore going to stick my neck out and say that you're stuffed absolutely clean full of wild blueberry muffins, but I promise you my readers are gonna think so.

- Not for long, not if they happen to know anything about the flora of their own planet.

- You mean there are vegetables right here on earth that can... think?

- A certain kind of thinking, yes.

- You ever hear of a telegraph vine?

- Not recently.

- Or the... Is it the Acanthus Century plant, Dr. Stern?

- Yes.

- Go ahead, doctor. That's your field.

- Well, the century plant catches mice, bats, squirrels, any small mammals. Uses a sweet syrup as bait, then holds on to its catch and feeds on it.

- And what's the telegraph vine?

- Well, a vine, research has proven, can signal to other vines of the same species. Vines, twenty to, well, a hundred miles away.

- Intelligence in plants and vegetables is an old story, older even than the animal arrogance that has overlooked it.

- That's one for Ripley.

- Look here, I took this from under the soft tissue of the palm of the hand.

- Seed pod!

- Seed pod!

- Yes. The neat and unconfused reproductive technique of vegetation. No pain or pleasure as we know it. No emotions. No heart.

[...]