Q: I just moved to Florida and was told my visiting guests could write their names on the leaves of some kind of subtropical plant to thank me for their stay. What’s even stranger is that if my guests return in a year, their names will still be on the leaves. What kind of plant is it? I’d love to use it as a permanent “living” guestbook. A: You’re talking about Clusia rosea, known as the Autograph Plant. It’s a native to Florida with leathery, paddle-shaped leaves that invite you to scratch Continue Reading