[Glancing up when she feels that tap at her shoulder, Rowan chuckles quietly and gestures to the plant she'd been examining-- likewise failing entirely to notice as that creeping vine begins to work its way higher along Chell's boot.]

Just trying to see if it smells like anything I might know... Maybe they're some sort of relation to the regular ones back on Earth, you know? [She blinks, then pauses as a thought occurs to her.] That's the name of the planet that I'm from. I don't know if you know it-- I know there are people here from all over the place, after all, so...