Alhagi

Alhagi is a genus of Old World plants in the family Fabaceae. They are commonly called camelthorns or manna trees. There are three to five species. Alhagi species have proportionally the deepest root system of any plants - a 1 m high shrub may have a main root more than 15 m long; due to their deep root system Alhagi species are drought-avoiding p...
Found on http://en.wikipedia.org/wiki/Alhagi

Alhagi

Alhagi is a genus of spiny leguminous shrubs. The species yield a kind of manna.
Found on http://www.probertencyclopaedia.com/browse/BA.HTM
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