Acorus calamus L.

Detail
- Family
- Acoraceae
- Botanical Name
- Acorus calamus L.
- Common Name
- Sweetflag, European Calamus
- Synonym(s)
- Flora of Virginia Name/Status
- Acorus calamus L.
- Comments
- Acorus calamus is said to be a sterile triploid introduction by early European settlers, easily propagated by rhizomes (FNA, Vol. 22:125 ff). Further observations are needed to explain its frequency and wide distribution. Diploid and tetraploid populations (ie, fertile) occur in Asia (op. cit.).
- Habitat
- Freshwater and oligohaline tidal marshes, calcareous fens and marshes, wet meadows, impoundments, open seeps, ditches, other disturbed, open wetlands. Frequent and locally common in the Coastal Plain and mountains; infrequent in the Piedmont. Especially frequent in marl marsh wetlands west of the Blue Ridge, where habitations are not always close by.
- Native Status
- Introduced
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