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(First upload on April 17 2005. Last on July 18 2024) [ 日本語 | English ]

Daphniphyllum macropodum Miq.






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

Daphniphyllum Blume (ユズリハ)
D. macropodum Miq.
Shoot: dioecism (producing male and female flowers) var. macropodum (ユズリハ, 楪/譲葉), macropodous daphniphyllum
Lifeform: Tree up to 10 m
Distribution: East Asia (Japan, China, and Korea)
Synonyms:

Daphniphyllum himalaense (Benth.) Mull.Arg. subsp. macropodum (Miq.) T. C. Huang
Daphniphyllum membranaceum Hayata

var. humile (Maxim.) Rosenthal (エゾユズリハ, 蝦夷楪)
Dwarf form < 1 m (in Hokkaido)-3 m (in Honshu) tall to adapt snow deposits, sometimes difficulties in identification (lecture: Ecology and global warming)
Distribution: Japan Sea side between central Honshu and Hokkaido (observed on Mount Moiwa), an element in temperate climate
Use: tobacco by Ainu
f. variegatum (Bean) Rehder (フイリユズリハ)
f. viridipes (Nakai) Ohwi (アオジクユズリハ, 青軸楪), green petiole
Synonyms:

Daphniphyllum humile Maxim. ex Franch. et Sav.
Daphniphyllum macropodum Miq. var. humile (Maxim. ex Franch. et Sav.) K. Rosenthal

索引

Daphniphyllum macropodum in Japan


var. macropodum (ユズリハ)

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[1/2] at a promenade along the Tamagawa Aqueduct, Mitaka, Tokyo, on January 15 2015. [3] in Tsurumi Green Space Park (鶴見緑地公園), Tsurumi Ward, Osaka City, on February 6 2022. [4/5] in the Wakayama Experimental Forest of Hokkaido University on June 26 2024. [6] on a forest road towards Hyakkennzan Canyons (百間山渓谷), Wakayama Prefecture, on June 26 2024.


var. humile (エゾユズリハ)

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[1] at Shinsen Bog in Niseko on June 24 2007. [2] along O-sawa Course in Nopporo Forest Park on July 17 2021. [3/4] in a forest beside Teine Senjaku skislope on May 19 2022. [5/6] in an area where the Otaru-Yoichi wind farm was planned on June 15 2023. [7] on a fruticetum in Hokkaido University Botanic Garden on September 30 2023. [8] along a trail on Mount Kuromatsunai, southern Hokkaido, on June 12 2024.

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