(Upload on January 12 2023) [ 日本語 | English ]

Orostachys japonica (Maxim.) A. Berger

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

Orostachys Fisch. ex A. Berger (イワレンゲ)
Tsumerenge (ツメレンゲ, 爪蓮華), rock pine
Lifeform: evergreen, biennial/perennial forb
Distribution: northesatern China - Far East - Korea - Japan (north to Kanto District)
Habitat: rocky fields near sea coasts and mountians, often establishing on artificial rocks, such as hedge and roofs
Chromosome number: 2n = 24 or 48
Use: ornamental

Sedum erubescens auct. non (Maxim.) Ohwi
Sedum erubescens (Maxim.) Ohwi var. japonicum (Maxim.) Ohwi
Sedum japonicola Makino
Orostachys erubescens auct. non (Maxim.) Ohwi
Orostachys erubescens (Maxim.) Ohwi var. japonica (Maxim.) Ohwi
Orostachys cartilaginea Boriss.

f. polycephala (Makino) H. Ohba (ヤツガシラ), many-head rock pine

Orostachys malacophylla in Hokkaido

Sedum1 Sedum2 Sedum3
[1-3] in the glasshouse of Kyoto Botanical Gardens, western Japan, on September 17 2022.