It's from a rare species of passion flower. It's a rare night blooming plant indigenous to only certain parts of West Africa. That I couldn't tell you. These are Level 4 suits. Exactly what he's wearing.
Contamination is impossible unless there's a tear or a loss of pressurization.
So whatever happened to him, it's unlikely it penetrated the suit. We won't know until we get in there and take a closer look. Look, there's a film over everything. Looks like spray kicked off the saw blade when he was cutting into the rock. He can't be.