Introduced by Aiton, and confirmed by Roscoe. Native of Mexico, thought by Professor Maas to be a synonym of C. indica L. but Dr Tanaka has categorised this as a separate species, confirmed by DNA sample.
Synonyms: C. aura-vittata Lodd., C. humilis Bouché, C. indica L. var. limbata, C. indica patens, C. indica var. limbata Peters., C. indica var. patens Aiton, C. limbata Roscoe, C. ‘Little Dragon’, C. longifolia Bouché, C. montana Blume, C. recurvata Bouché
Canna patens (Roscoe) Tb. Tanaka
A medium sized wild species; green foliage, very small, ovoid shaped, arching habit; triangular stems, coloured green; spikes of flowers are erect, yellow with a wide red margin, staminodes are long and narrow, edges regular, petals yellow, partial self-cleaning; fertile both ways, self-pollinating and also true to type, capsules globose; rhizomes are thick, up to 3 cm in diameter, coloured white; tillering is prolific.