orange
Kumquats are most closely related to other citrus fruits like oranges and lemons. They are all part of the same citrus genus, which accounts for their similar characteristics such as the edible peel and juicy flesh.
pumpkin
lemon
1-2 per fruit is the most I've ever encountered.
A quince is the whole fruit with the most pectin. However, citrus peels are about 30% pectin.
lime
The vine is called a balsam apple. The fruit and seeds may be toxic.
Most citrus fruit such as oranges and lemons are fairly acidic.
No, at least not for most people.
I believe it is Tulare county, in California.
probably it can grow most citrus fruits because it is a tropical country. :-D Hope it helps.
Europeans and Arabs brought citrus fruits from the Far East and India in the Middle Ages. A new study, however, shows that citrus fruit originated in Australia and New Guinea.