Valmiki Ramayana Sundara Kanda Sarga 34 Shloka 11

अनवद्याङ्गी who has flawless limbs, सा she, अशोकस्य Ashoka tree's, ताम् that, शाखाम् branch, विमुक्त्वा later leaving, शोककर्शिता emaciated out of sorrow, तस्याम् on that, धरण्यामेव on the ground, समुपाविशत् sat near.

So saying Sita of flawless limbs, emaciated with grief, left the branch of Ashoka tree held by her and squatted on the ground.