What is the difference between Acorus calamus and Acorus calamus?

These are two completely different plants.

Acorus calamus (scientific name: iris? var。 Hortense? Mu Ye et Nemoto): It's a cicada flower.

Variant. Perennial perennial flowers with water-bearing roots. Rhizomes are short and thick, with many fibrous roots and dead leaves. The leaves are basal, linear, with convex midvein and smooth veins on both sides. Scapes are erect with 1-3 degenerated leaves. Huada

The diameter can reach 15cm. The outer wheel has three oval to obovate petals with yellow spots and purple stripes in the middle, and the vertical petals are narrowly oblanceolate. The style has three branches, petal-shaped and bifurcated at the top. Capsule oblong, angular, brown-black seed coat.

The flowering period is from June to July, and the fruiting period is from August to September. Japan has the most abundant cultivation, and has cultivated more than 100 varieties.

Acorus calamus: also known as white Acorus calamus and Tibetan Acorus calamus. Perennial with stout rhizomes. Basal leaves are sword-shaped, with prominent midvein, basal leaf sheaths folded and membranous edges. Born in swamps, streams or rice fields.

Acorus calamus can extract aromatic oil, which is fragrant. In the traditional culture of China, it is a kind of spirit grass that can prevent infectious diseases and drive away evil spirits. During the Dragon Boat Festival, people used to put calamus leaves and mugwort leaves together under the eaves. Rootstocks can be used as spices. Also known as Yaojiu. The poisonous plants listed in China Botanical Atlas Database are poisonous to the whole plant, and the rhizome is more toxic. When taken orally in large doses, it will produce strong hallucinations.