Origanum rotundifolium (round-leaved oregano) is a species of flowering plant in the family Lamiaceae, native to Turkey, Armenia and Georgia. It is a small woody-based perennial or subshrub growing to 10–30 cm (4–12 in) tall by 30 cm (12 in) wide, with strongly aromatic leaves, and loose clusters of pink flowers with hop-like pale green bracts, throughout the summer.
This plant is used as a culinary herb, as an ornamental plant in herb gardens and as groundcover in sunny, well-drained situations. It prefers alkaline soil, and dislikes winter wetness. It has gained the Royal Horticultural Society's Award of Garden Merit.
- RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. pp. 1136. ISBN 1405332964.
- Harrison, Lorraine (2012). RHS Latin for gardeners. United Kingdom: Mitchell Beazley. pp. 224. ISBN 9781845337315.