What does 兜 mean in 黄緑彩兜唐草? The text I'm asking about comes from a brochure selling pens with bodies of traditional decorated Imari porcelain. Here's the pen design, with its name: ! From another brochure, I gather that the reading is: . I understand that describes the yellow-green color, and describes the arabesque pattern. But what's the doing in there? I have a theory that it might refer to a plant called , but I can't confirm it.

I think that is the name of a particular arabesque pattern by , a well-known pottery store. In particular, this pattern:

!

The imagery of is being strong or forceful. In that sense, seems to be well-suited as a name for fancy accessories like a pen or a wallet. (The name for pattern for a plate or a piece of cloth might be more something like .)

I don't think that the choice of is related to , the aconite plant, as there is no particular resemblance of the pattern with the aconite plant.