Partly, and now I know you've been studying. [ To which he offered Tim a grin. Sometimes he wondered just what the kid might be getting up to after hours, but so far, it hasn't resulted in anything dangerous. ] The natural form is a bit stickier, like pollen. It also produces euphoria, so its victims end up seeking more of it out until it reaches critical levels. So it uses them for pollination, rather than the usual agents like bees and butterflies.

[ As for the love potion question, it resulted in Bucky shifting his weight back as he crossed his arms; he was more familiar with people using it directly, slipping it into drinks in the like, but it would lend some edge to a love potion, wouldn't it? ]

Normally? Only a pinch or two would be enough to feel the effects - and they don't go away until you've satisfied the itch a few times. With how old that sample is? The whole vial might not even be enough to affect two people. [ Like two people who might not have been noticing the crack spreading on the vial. ]