Yellow calamus specimen

Yellow calamus is also known as water candle, yellow iris, aquatic iris, yellow flower iris, etc. Iridaceae is a perennial moist or emergent perennial herbaceous plant of the genus Iris. The rhizome of Acorus calamus is thick and robust, with a diameter of 2.5 centimeters. The basal leaves are grayish green, wide and sword shaped, with obvious midrib. They are 40-60 centimeters long and 1.5-3 centimeters wide; The flower stem is thick and robust, with a height of 60-70 centimeters; Bracts 3-4, membranous, green, lanceolate with prominent ribs and transverse reticular veins. The stem of the flower is slightly higher than the leaves, with a long elliptical shape on the hanging petals and a nearly equal width at the base. It has brown markings or no markings, and the flag petal is light yellow. The flower has a diameter of 8 centimeters. The capsule is elongated with many seeds inside, and the seeds are brown.