well i love trees any tree,coz to me its so versatile,first of all it looks nice,you can sit under it for shade,can climb it,pick fruit off it ,if it bears fruit,scribble your name on it,me and so and so were ere' 1999
anywayz just want to say in my garden in Pakistan i have:
3 guava trees
2 pomegranate trees
6 apricot trees
2 plum trees
5 types of regional varieties of berries
3 banana trees
3 orange bushes,kinda trees
3 lemon bushes,small treeish kinda things
i damson tree
i black pepper tree
i chiko tree unusual from karachi,planted 8 years ago but hasn't flowered yet
1 loquat tree
i pear tree
had planted loadsa other fruit ie peaches,almonds,sharon fruit but they kinda withered away after about 2 feet.
hopefully when i go back within 2 weeks i will try and make room for some more trees,will visit the local garden centre there and see what they got to offer.
at the end of the day if you haven't got room for a tree even growing your own veg has an impact in a small way,every bit helps to keep the soil together.