| Scientific name | Acorus calamus |
| Appearance | Marsh plant with long upright leaves, cylindrical brown rhizome with white fibrous flesh |
| Smell | Warm, spicy, slightly camphoraceous and sweet |
| Color | Light green for the leaves, yellow-brown for the dried root |
| Used parts | Rhizome (dried or ground into powder) |
| Origins | Eastern Europe, India, Southeast Asia, North America (introduced) |
| Toxicity level | Moderate (some varieties contain beta-asarone, classified as potentially carcinogenic at high doses) |
