Bengal clock vine

Thunbergia grandiflora is a climbing vine that belongs to the Acanthaceae family. It is native to parts of Asia, including China, India, Nepal, Bangladesh, Indochina, and Myanmar, and has been introduced and naturalised in many other regions. The plant is known for its showy, trumpet-shaped flowers and is cultivated for ornamental purposes in gardens and landscapes. Common names for the species include Bengal clockvine, blue skyflower, and skyvine. It is widely appreciated for its vibrant blue or purple blooms and is often used in tropical and subtropical horticulture.