Need Help Identifying This Plant

I found this plant 3 years ago growing underneath a maple tree. It was about an inch tall. I transplanted it and now it is about 5 feet tall. I have no idea what it is. I live in northern California on the Pacific Coast in Crescent City, California.

Thank you

 

Rhus?

 

Y'know, T., I think you are right. But it's so pretty and delicate! Shows my limited exposure to sumac---staghorn mainly, if not exclusively.

 

Maybe R. chinensis

 

Sorbaria?

 

http://www.mobot.org/gardeninghelp/images/low/F630-0605063js.jpg
http://www.mobot.org/gardeninghelp/plantfinder/plant.asp?code=F630
Sure looks like it.

 

Thanks everyone. The links provided by David sure do look like the plant. I wonder how it ended up sprouting in my yard!

 

birds leave presents for us ALL the time...sometimes the present is useful and other times not.

you got lucky with this one!