The difference between yellow calamus and calamus

1. Difference of blades

The leaves of Iris pumila are gray-green, broad sword-shaped, about 40-60 cm long and 1.5-3 cm wide, with a gradually pointed apex and a sheath-like base. They are lighter in color and have a very obvious midrib. The leaves of calamus are green, sword-shaped and linear, much wider than the former, about 90-100 cm long, about 1-2 cm wide, with a wider base and folded in half.

2. The difference between flowers

The color of the yellow iris flower is yellow. The outer perianth lobes are oval or obovate with black stripes, about 7 cm long and 4.5-5 cm wide. The inner perianth lobes are oblanceolate and smaller, about 2.7 cm. The flowering period is in May every year. The color of calamus flowers is yellow-green, the spadix is ​​narrowly conical and cylindrical, and the tepals are much smaller than the former, about 2.5 mm. The flowering period is from June to September.