Morphological characters and geographical distribution are the same as those of the family.
Herbs, wetlands or rocky stream banks, when bruised or broken producing pleasant and distinctive aromatic odor. Leaves bright green; sheathing base 2-facial (proximal part of leaf); distal part of leaf 1-facial, flattened in median rather than transverse plane; prominent veins 1--6, parallel along length of leaf. Inflorescences solitary. Flowers: tepals light brown; anthers yellow, introrse; ovariesy green. Fruits light brown to reddish with darker streaks. Seeds embedded in mucilage. x = 12.
Motley, T. J. 1994. The ethnobotany of sweet flag, Acorus calamus (Araceae). Econ. Bot. 48: 397--412. Packer, J. G. and G. S. Ringius. 1984. The distribution and status of Acorus (Araceae) in Canada. Canad. J. Bot. 62: 2248--2252. Thompson, S. A. 1995. Systematics and Biology of the Araceae and Acoraceae of Temperate North America. Ph.D. dissertation. University of Illinois. Urbana-Champaign.
|Sweet-flag [Latin form of Greek akoron, presumably an ancient plant name]|