If you garden a lot, you may be able to get a tree house seed.
A while back, there was a quest on buildabearville from GreenTracks and when you completed it you got the Treehouse Seed. You could plant this and care for it like a normal plant and when the tree grew it would have a treehouse in it. Unfortunately, this quest is no longer able to be played and the only way you can get a treehouse seed is by trading, but they are extremely rare. I've only ever seen one treehouse in the whole time I've been playing in buildabearville and I've been a member for three years... Sorry! Anyway, hope this helped!
The tree with long seed pods is the acacia tree.
seed made of tree
seed
The cones of the pine tree are the seed capsules.
Go to the lumbear yard and buy a evergreen seed (looks like a pinecone) plant it and look after it after about 14 days you will have a tree house but you need to buy the tools to look after it (lumbear yard aswell) Look for me on babv xx name - chloecute687
The tree that produces brown seed pods is typically a mesquite tree.
If you have a seed that is a tree seed, then it will grow into a tree. The corn plant is not a tree seed, but the peach seed is. The acorn is a tree seed, the pine cone is a collection of pine seeds. Now you get the point.
The seed of pine tree develops on the ovuleferous scale in female cone.
Helicopter seed
Plant the seed in dirt. It will hopefully grow into a lemon tree. I'd start in a pot in the house.
The type of tree that produces long seed pods is called a "locust tree."