(First upload on November 18 2007. Last on September 16 2014) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Berberidaceae (メギ科) > Diphylleia grayi
Diphylleia Mich. (サンカヨウ)One species is native to JapanSankayou (サンカヨウ, 山荷葉), umbrella leaf Etymology of Japanese name: mountain (山) + lotus (荷葉) Life form: perennial forb, with 30-50 cm tall Distribution: Japan (Honshu - Hokkaido) - Sakhalin Habitat: forests, including the edges Stem: curly hair, scale-like leaf at the base Leaf: 37 cm wide and 30 cm long Flower: white, 6 petals, 6 sepals (when young) and 6 stamens, 1 cm long, one superior ovary and 2 ovlues |
Inflorescence: 3-10 flowers forming corymb on the top (June-July) Seed dispersal: animal → fruit = edible (sweet) Belowground: widespread rhizomes and many, tough roots Synonyms:
Diphylleia cymosa Michx. ssp. grayi (Fr. Schmidt) Kitam. |
f. rotundata Takeda (Marubasankayou, マルバサンカヨウ)
|
1
2
3
[1] at the foot of Mount Teine, Sapporo, on May 25 1985 (Tsuyuzaki 1990). [2] near Ninoji Skislope, Niigata Prefecture, on June 6 1996 (Tsuyuzaki 1995). [3] at a western slope of Mount Yotei (羊蹄山), central Hokkaido, on June 28 2014. Records: Mount Eniwa on May 24 1980.