Canna patens is a species of herb in the Cannaceae family.
Small sized with spreading habit and thick rhizomes (these up to 3 cm in diameter). Green ovate leaves; green triangular stems; upright spikes with flowers of yellow petals with a wide red margin; staminodes are long and narrow, edges regular; capsules globose.
Paul Maas and Nobuyuki Tanaka, both experts on the genus Canna have different opinions regarding this species. Maas considers C. patens a synonym of C. indica, but Tanaka considers it a distinct and separate species according to DNA analysis.