- Flower namecommon horsetail
- Scientific nameEquisetum hyemale
- Alias歯磨草, 木賊, 研草, はみがきぐさ, common horsetail, Taiwan scouring rush, Tokusa
- Place of originTemperate regions of the northern hemisphere, Japan
- Place of floweringGarden
- Flowering seasonJuly, August
What is common horsetail
Common horsetail or Tokusa (scientific name:Equisetum hyemale) is a hardwood perennial in the family Equisetaceaee native to temperate region of the northern hemisphere including Japan. It gathers stems like ultramarine bamboo standing upright from the rhizome. The stem is hollow with many knots. There is a jagged hakama with green leaves deformed around the clause. In the summer, it takes out the spiked stem with the spore leaf group from the tip of the stem and skim the spores. Since it is a fern, there are no flowers. Applications are made with ornamental garden plant, Ikebana material, abrasive using stalk.
Common name: Common horsetail or Tokusa, Scientific name: Equisetum hyemale L., aka: Tokusa, toothpaste (common trace), common horsetail, Taiwan scouring rush, Origin: temperate region of the northern hemisphere including Japan, plant height: 30 to 100 cm, leaf color: green, flowering period: July to August, age of observation: anniversary.