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(First upload on December 19 2011. Last on March 12 2019) [ 日本語 | English ]

Solidago L. (アキノキリンソウ) S. canadensis L. Kanada-akinokirinsou (加奈陀秋ノ麒麟草, カナダアキノキリンソウ), Canada goldenrod Lifeform: large perennial forb > 80 cm high, producing allelopathic agent Distribution: native to North Amercia Habitat: widespread, in particular, on areas disturbed by human activities invasive species (侵略的外来種) in Japan (Hokkaido Blue List, HBL = A2) Flower: length, bigulate flower ≈ lobe of tubular flower

Leaf: developing clear teeth Seed dispersal: wind ssp. altissima (L.) O. Bolos et Vigo Seitaka-awadachiso (セイタカアワダチソウ, 背高泡立草/ヘイザンソウ) Distribution: exotic to Japan (HBL = A2) Flower: lengths, bigulate flower > lobe of tubular flower Chromosome number: 2n = 36 or 54 Synonyms: Solidago altissima L., sometimes used Solidago canadensis var. scabra Torr. et A.Gray., often used in the North America

var. gilbocanescens Rydb. (ケカナダアキノキリンソウ), syn. Solidago altissima L. ssp. gilvocanescens (Rydb.) Semple

Solidago canadensis in Japan

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1 2 3
[1-3] faced to Japan Sea in Tomamae where the construction of wind powers is planned, northern Hokkaido, on September 21 2017. Records: Along Tonneusu Pond (トンネウス沼) in the North Ward of Sapporo on November 7 2020.

Mount Usu

1 2
[1/2] at a footpath at the foot of Mount Usu on September 18 2013.

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ssp. altissima

Kanto District

1 2 3
[1-3] along the inner moat of Edo Castle, Tokyo, on October 19 2018. A female Phytomia zonata on the head.

Kansai District

3 4 5
[3-5] at Yodogawa Riverside Park, Osaka, western Japan, on October 29 2011.