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(First upload on April 10 2013. Last on June 14 2021) [ 日本語 | English ]

Youngia japonica (L.) DC.






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

Youngia Cass. (オニタビラコ)
Onitabirako (オニタビラコ, 鬼田平子), oriental false hawksbeard
Life form: biennial forb < 1 m in height that is highly variable
Distribution: widespread in East Asia (India - Himalaya - China - Japan - Micronesia - Australia)
Habitat: roadsides, pastures, grasslands, forest edges, etc.
Hair: dense, pubescencet hair on stem and leaf ⇒ Lapsanastrum humile (ヤブタビラコ) = hairless
Chromosome number: 2n = 16
Synonyms:

Crepis japonica (L.) Benth.

ssp. formosana (Hayata) Kitamura (タカオタビラコ)
索引

Youngia japonica in Japan


Honshu

ST1 ST2 ST3
[1] on the slope of Mount Yatsu, Shizuoka Prefecture, on March 5 2013. [2] in West Ikebukuro Park, Tokyo, on March 14 2017. [3] at a roadside near the Nakasu Street of Kagoshima City, southern Kyushu, on March 18 2015. (Discard: on a way to go Abe River near JR Shizuoka Station on March 6 2013)

Hokkaido

ST4 ST5 ST6
ST7 ST8 ST9
[4/5] under an awning at N21/W2, North Ward, Sapporo, on July 11 2011. [6] at the centeral garden of GSEES, HU, on June 20 2013. [7/8] at a lawn near GSEES, HU, on July 14 2014. [9] at a south side of Hokkaido University Main Gate on June 5 2021.Records: at the bottom of Y-kun Crater in the Kompira Craters on Mount Usu on June 26 2021. Along a trail to Mount Moiwa (藻岩山) on June 22 2021.

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