A European Alpine pine tree (Pinus cembra) with dense, high-altitude growth and edible seeds.
From German 'Arve' or 'Arolla,' adapted into English through botanical literature. The German name may derive from Romance language roots related to the Alps, but the exact etymology is obscure.
Arolla pines live at altitudes where barely anything else survives, and their seeds are harvested and eaten as 'pine nuts'—they're so calorie-rich that one tree's worth of seeds can sustain a person for weeks.
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