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(First upload on December 5 2016. Last on May 4 2018) [ 日本語 | English ]

Lophatherum Brongn. (ササクサ) L. gracile Brongn. (ササクサ) Sasakusa (ササクサ, 笹草), bamboo leaf Lifeform: perennial grass with 40-80 cm tall Distribution: warm-temperate and tropical Asia, including Japan (south to Kanto District) Habitat: sunny forest floor, forest edge, etc.

Chromosome number: 2n = 48 Use: traditional medicine f. musashiense (Hiyama) T. Koyama (ムサシノササクサ), hair on leaf sheaths and leaves (syn. ssp. musashiense (Hiyama) T. Koyama Confusing ecotypic variations - treated as one species ssp. annulatum (Franch. et Sav.) Hack. or f. annulatum (Franch. et Sav.) T. Koyama f. elatum (Zoll. et Moritzi ex Steud.) T. Koyama ssp. pilosulum (Steud.) Hack. ssp. zeylanicum (Hook. f.) Bor.

Lophatherum gracile in Japan

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[1-3] along a trail in Fukuoka Zoo and Botanical Garden, northern Kyushu, on September 20 2025.