Luculia gratissima is a species of flowering plant in the family Rubiaceae. It is an ornamental plant that is found from the central Himalayas to northern Indo-China. The Latin specific epithet gratissima means "most pleasing" or "most agreeable". It is a large shrub or even a small tree growing to tall by broad, with pointed ribbed leaves, and clustered fragrant pale pink flowers in autumn and winter. As it does not tolerate temperatures below , it requires cultivation under glass in temperate zones. However, it may be placed outside in a sheltered, sunny spot during the summer months. It is a recipient of the Royal Horticultural Society's Award of Garden Merit. References External links Luculia in the World Checklist of Rubiaceae Luculia gratissima, Nepal checklist Luculia gratissima specimens at Berkeley Natural History Museums Luculia gratissima at uniprot.org Enigmatic Rubiaceae taxa Flora of Tibet Flora of Nepal Flora of East Himalaya Flora of Indo-China