also: しゃそう
galingale; Cyperus microiria
Refers to plants of the genus Cyperus, especially Cyperus microiria. Usually written in kana.
Galingale is growing by the roadside.
nut grass; Cyperus rotundus
Only with reading しゃそう
Specific species, read as しゃそう. Rarely used; cross-referenced with 浜菅.
See also: ハマスゲ
莎草 is read as しゃそう and is considered another name for ハマスゲ (nut grass).