1、 Blade difference

The leaves of okra Sagittaria have various shapes, the lower part is oval, the upper part is oval halberd, or arrow to palm, with 3-5 deep or shallow cracks, the lobes are wide oval to wide lanceolate, and the petiole is about 4-8 cm long

Okra leaves are palmate, with 3-7 cracks. The lobes are wide to narrow, and the petiole is longer than the former, about 7-15 cm

2、 The difference between flowers

The arrow leaf autumn sunflower is solitary and longer than the leaf axil. There are 6-12 bracteoles, which are linear. The calyx is in the shape of Buddha flame bract, the color is red or yellow, and the petals are obovate oblong

Yellow autumn sunflower is also solitary, longer than the leaf axil, with 8-10 bracts, bell shaped calyx, yellow color, and obovate petals