noun
Scientific or formal name for the palm species Areca catechu, the source of betel nuts.
ビンロウジュは熱帯アジアで広く栽培されている。
The areca palm is widely cultivated in tropical Asia.
noun
betel palm; betel nut tree
Colloquial term for the same tree, emphasizing its use for betel nut production.
あの市場ではビンロウジュの実を売っている。
They sell betel nuts at that market.
The Japanese name is likely derived from the Chinese name for the areca palm (檳榔, bīnláng) combined with 樹 (tree). The exact borrowing path is uncertain.