An edible plant is one that can be eaten as food, normally for sustenance and nutrition, but possibly just for the moisture content (as with cactus).
edible
Yes there is an edible plant in Antarctica. The sub-Antarctic edible plant is known as Kerguelen Cabbage.
Every part of this plant is edible
The entire onion plant is edible.
All fruits from the Fuschia species are edible.
No
An edible crop is any crop or plant that someone grows that can be eaten.
root of the carrot plant is edible.
lentil
Rhubarb
day lilly
an edible product of a plant