Valmiki Ramayana Sundara Kanda Sarga 14 Shloka 43
Original Shlokaअशोकवनिका चेयं दृढं रम्या दुरात्मनः। चम्पकैश्चन्दनैश्चापि वकुलैश्च विभूषिता।।5.14.43।।
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दुरात्मनः of the wicked one, इयम् this, अशोकवनिका Ashoka grove, दृढम् surely, रम्या beautiful, चम्पकैः by Champak, चन्दनैश्च and Chandan, वकुलैश्चापि and with Bakula also, विभूषिता is decorated.
"Surely this beautiful Ashoka grove with delightful champak, chandan and bakula trees belongs to the wicked Ravana."