(First upload on April 17 2005. Last on February 13 2015) [ 日本語 | English ]

Daphniphyllum macropodum Miq.

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

Euphorbiaceae, adpoted by Ohwi (or Daphniphyllaceae)

Daphniphyllum Blume (ユズリハ)

25-35 spp.
Evergreen tree-shrub
Dioecious species
Native to east and southeast Asia
D. macropodum Miq. (ユズリハ)
D. teijsmannii Zoll. ex Kurz (ヒメユズリハ)

Daphniphyllum macropodum var. humile in Japan

Daphniphyllum macropodum Miq.
var. macropodum (ユズリハ, 楪/譲葉), macropodous daphniphyllum
Lifeform: Tree up to 10 m
Distribution: East Asia (Japan, China, and Korea)

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) 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

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


[1/2] at a promenade along the Tamagawa Aqueduct, Mitaka, Tokyo, on January 15 2015. [3] var. humile at Shinsen Bog in Niseko on June 24 2007.