*spoiler*
That would be the herb that also goes into the stew...I tried the lavender/purple bush of roses, right to the gong.
If you drop a child there, it always pops into a certain place.
Dunno - could be coincidence, could be a secret hot spot for spawning these items.
Anyway, I get the feeling the more uitems you pick up (no matter if you already got them or not) the faster new ones appear.
Of course, always the ones I dont need *Murphys law* LOL