Nathaniel Wolff Wallich was a surgeon and botanist of Danish origin who worked in India, initially in the Danish settlement near Calcutta and later for the Danish East India Company and the British East India Company. He was involved in the early development of the Calcutta Botanical Garden, describing many new plant species and developing a large herbarium collection which was distributed to collections in Europe. Several of the plants that he collected were named after him.

The Culcutta Botanic Garden, previously known as Indian Botanic Garden and the Calcutta Botanic Garden, is a botanical garden situated in Shibpur, Howrah near Kolkata. They are commonly known as the Calcutta Botanical Garden and previously as the Royal Botanic Garden, Calcutta. The gardens exhibit a wide variety of rare plants and a total collection of over 12,000 specimens spread over 109 hectares. It is under Botanical Survey of India (BSI) of Ministry of Environment and Forests, Government of India.