1) Leaf vegetable 
Hablitzia tamnoides, the sole species in the genus Hablitzia, is a herbaceous perennial plant, native to the Caucasus region. It is in the family Amaranthaceae, subfamily Betoideae, related to Beta, but unlike that genus, is a vine, climbing to 3 m or more tall in summer. The leaves are edible, similar to those of the related spinach. ...