White popinac trees, used for making paper pulp, claim the greatest number, and are best viewed at dusk, in bloom with their pistils waving softly in the breeze.
銀合歡是都蘭林場席位最多的樹木，材質是紙漿原料，經濟價值頗高。在種滿銀合歡的山坡，晴天的黃昏應是最美的時候，微風吹撫，陽光輕柔地穿透銀合歡的花蕊，製造流麗的光影變化。