1、 Blade difference

The leaves of Canna Dahua are oval, about 40 cm long and 20 cm wide, with purple edges and leaf sheaths

The leaves of Canna are oval and oblong, which are smaller than the former, about 10-30cm long and 10cm wide

2、 The difference between flowers

Canna grandiflora is a raceme growing at the top. The flowers are large and dense. Each bract has 2-1 flowers. The sepals are lanceolate, and the corolla lobes are lanceolate. The flower colors are diverse, including red, white, orange and light yellow

Canna is also a raceme, but the flowers are sparse, and the flower type is smaller than the former, and the flower color is also less. There are three kinds of red, yellow and two colors. Two colors are that the flowers have two colors: red and five-star brilliant yellow