Valmiki Ramayana Kishkindha Kanda Sarga 12 Shloka 40

ततः then, लक्ष्मणः Lakshmana, गिरितटे on the slope of the mountain, जाताम् growing, कुसुमायुताम् flowering, तां गजपुष्पीम् those gajapushpi blossoms, उत्पाट्य plucked, तस्य his, कण्ठे on the neck, व्यसर्जयत् fastened on.

Then Lakshmana went to the mountain slope, plucked the (creeper with) gajapuspi blossoms and fastened it on the neck of Sugriva.