Strong's #3839: libneh (pronounced lib-neh')
from 3835; some sort of whitish tree, perhaps the storax:--poplar.
Brown-Driver-Briggs Hebrew Lexicon:
libneh
1) poplar, white poplar
1a) a tree which exudes milky-white gum
Part of Speech: noun masculine
Relation: from H3835
Usage:
This word is used 2 times:
Genesis 30:37: "took him rods of green poplar, and of the hazel and chestnut tree; and peeled white"
Hosea 4:13: "the hills, under oaks and poplars and elms, because the shadow thereof is good:"