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(First upload on May 12 2014. Last on July 29 2022) [ 日本語 | English ]

Gnaphalium L. (ハハコグサ) Hakogusa (ハハコグサ, 母子草), jersey cudweed (= G. luteoalbum) Lifeform: biennial forb ≈ 10-30 cm high, overwintered by rosettes Distribution: India - China - Japan Habitat: disturbed sites, such as roadsides, cropfields, etc. sometimes establishing on baregrounds near fumaroles on Mount Usu (flora) Use: gogyo (ゴギョウ, 御形) = the seven spring herbs (春の七草)

Synonyms: Pseudognaphalium affine (D. Don) Anderb. Laphangium affine (D. Don) Tzvelev Gnaphalium affine D. Don Gnaphalium luteoalbum L. ssp. affine (D. Don) Koster G. affine × luteoalbum (アイセイタカハハコグサ) Hybrids: → with G. luteoalbum

Gnaphalium affine in Japan

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1 2 3
4 5 6
7 8 9
[1-5] near a small crater that is still hot in the Nishiyama Craters on Mount Usu (有珠山). [1] on May 9 2017. [2/3] on May 12 2019. [4/5] on May 26 2021. [6] in the crater basin on the south slope of Mount Usu on April 25 2022. [7-9] along Atsuma Coast (浜厚真), central Hokkaido, on August 5 2023. Records: on the Nishiyama Craters on May 9 2014.

Gnaphalium affine × luteoalbum in Japan

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G. affine D. Don × luteoalbum L. Aiseitakahahakogusa (アイセイタカハハコグサ) Habitat: disturbed sites, such as roadsides

Flower (head): yellow

Synonyms: Pseudognaphalium affine (D. Don) Anderb. × P. luteoalbum (L.) Hilliard et B. L. Burtt

1 2 3
4 5
[1/2] on a wasteland at Yushima Temple (seido), Tokyo, on May 30 2014. [3] in an unpaved parking lot, N27/E2, East Ward, Sapporo, on September 20 2017. [4/5] around Sumiyoshi Shrine (住吉大社), Osaka, on February 7 2022.