Valmiki Ramayana Sundara Kanda Sarga 1 Shloka 48
Original Shlokaतमूरुवेगोन्मथिताः सालाश्चान्ये नगोत्तमाः। अनुजग्मुर्हनूमन्तं सैन्या इव महीपतिम्।।5.1.48।।
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ऊरुवेगोन्मथिताः uprooted by the speed of thighs, सालाश्च sala trees also, अन्ये other, नगोत्तमाः great trees, सैन्याः troops, महीपतिम् इव like the king, हनूमन्तम् Hanuman, अनुजग्मुः follow.
Uprooted by the force of Hanuman's thighs,great trees like sala followed him just like the troops follow the king.