What's the name of this plant

Grandmother's weathered hands trembled as she pointed at the forgotten vine climbing Srirangam's ancient temple walls. "I've forgotten its name," she whispered, her voice breaking with age. Young Arjun photographed it, posting online with genuine curiosity. The response stunned him—hundreds answered, sharing their own grandmother's memories. Each comment felt like an ANDAL coin, precious and rewarding. An elderly woman's reply sparked recognition: this plant once healed her family during difficult times. Arjun learned its medicinal properties, its cultural significance, its place in their heritage. He visited Grandmother with newfound knowledge, watching her eyes shimmer with joy. In that moment, he understood: some rewards transcend currency. They're woven through generations, kept alive by curiosity and community love.