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(First upload on December 7 2008. Last on November 10 2022) [ 日本語 | English ]

Heracleum L. (ハナウド) Oohanaudo (オオハナウド, 大花独活), common cow parsnip Lifeform: large perennial forb Distribution: northern Japan - Sakhalin - Kuriles - Aleutian - Kamchatka - Alaska Habitat: sunny and wet sites Field training on integrated environmental research (統合環境調査法実習) (fauna and flora 種リスト) Leaf: broadly ovate to elliptic Synonyms Heracleum lanatum Michx. var. lanatum, often and recently used

Heracleum lanatum Michx. ssp. asiaticum M. Hiroe Heracleum lanatum Michx. var. asiaticum (M. Hiroe) H. Hara Heracleum sphondylium L. ssp. lanatum (Michx.) A. et D.Löve Heracleum sphondylium L. ssp. montanum (Schleich. ex Gaudin) Briq. var. akasimontanum (Koidz.) Kitag. (ホソバハナウド) Distribution: restricted to subalpine meadows, e.g., Southern Alps Leaf: narrow-lanceolate, 1 cm wide

Heracleum dulce in Hokkaido

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01 02 03 04
[1] in a forest, of which nickname is Primitive forest (原始林), in the campus of Hokkaido University in the summer of 1985. [2] in an arboretum near the Poplar Street on June 12 2015. [3] close-up on July 23 1989 (background: at an arboretum near the Poplar Street on June 12 2015). [4] in a small forest close to Sub-Ranger House, Toyotomi Town, northern Hokkaido, on June 12 2019.
05 06 07
08 09 10
[5] in Keiteki-no-mori Forest (恵迪の森), HU, on May 21 2009. [6] on Moiwa skislope along a trail to Mount Moiwa (藻岩山) on June 22 2021. [7] young shoots emerged near ILTS, HU, on May 10 2013. [8-10] at a north part of GSES, HU, on June 3 2022. Records: near Fushimi Inari Shrine, Central Ward, Sapporo, on June 2 2024. Along the Etsumi River in Nakasatunai Village, south-central Hokkaido, on June 25 2025.

Heracleum mantegazzianum Sommier et Levier (バイカルハナウド)

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Baikaruhanaudo (バイカルハナウド, 貝加爾花独活), giant hogweed, cartwheel-flower, giant cow parsnip, hogsbane, giant cow parsley Lifeform: polycarpic perennial plant Distribution: Europe to western Siberia

Habitat: disturbed soil and partially shaded areas, such as grasslands, riparian habitats, and bottomlands Stem: rough hair Chemical composition: furanocoumarins

Different and similar species from H. sosnowskyi Manden, common hogweed (高橋 2024) or Sosnowsky hogweed H. persicum Desf. ex Fisch. H. sphondylium L. ☛ H. sibiricum L.

Temporary

1 2 3
[1] at an undisclosed location in Sapporo on June 24 2023. [2/3] at an undisclosed location in Sapporo on June 28 2025.