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(First upload on December 13 2011. Last on August 20 2025) [ 日本語 | English ]

Pennisetum alopecuroides (L.) Spreng.






Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Pennisetum Rich. (チカラシバ)
Chikarashiba (チカラシバ, 力芝), dwarf fountain grass
Lifeform: weedy perennial grass
Distribution: eastern Asia, including Japan (south to southwestern Hokkaido)
Habitat: grasslands - bare grounds
Flower spike: blackish purple
Seed dispersal: animal
Synonyms

Pennisetum alopecuroides (L.) Spreng. f. purpurascens (Thunb.) Ohwi, discarded

f. anacanthum Hayashi (ボウズチカラシバ), without involucral bristles
f. erythrochaetum (Ohwi) Ohwi (ベニチカラシバ), flower spike = reddish purple - dark reddish
f. viridescens (Miq.) Ohwi (アオチカラシバ), flower spike = blackish purple
索引

Pennisetum alopecuroides in Hokkaido


ST1 ST2 ST3
ST4 ST5 ST6
[1-4] in Yodogawa Riverside Park, Osaka, on October 29 2011. [5] on a bank along Sophia Street, Chiyoda Ward, Tokyo, on October 19 2018. [6] in Jindai Botanical Gardens, Chofu, central Japan, on July 30 2025.

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