nut grass; Cyperus rotundus
A perennial sedge with aromatic tubers, often considered a weed. The plant name is usually written in katakana.
Nut grass is distributed in tropical and subtropical regions worldwide.
Usually written in katakana; the kanji form 浜菅 is rare.
Kanji spelling; rarely used in practice.
The name ハマスゲ literally means 'beach sedge', from 浜 (hama, 'beach') and 菅 (suge, 'sedge'). The exact derivation is uncertain.