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Orostachys japonica

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Ordo: Saxifragales

Familia: Crassulaceae
Subfamilia: Sempervivoideae
Tribus: Umbiliceae
Genus: Orostachys
Species: Orostachys japonica

Orostachys japonica (Maxim.) A.Berger, Nat. Pflanzenfam. (ed. 2) 18(a): 464 1930.

Cotyledon japonica Maxim.
Cotyledon polycephala Makino
Orostachys erubescens var. japonica (Maxim.) Ohwi
Orostachys erubescens var. polycephala (Makino) Ohwi
Orostachys japonica f. polycephalus (Makino) H. Ohba
Orostachys kanboensis Ohwi
Orostachys polycephala (Makino) Hara
Sedum erubescens var. japonicum (Maxim.) Ohwi
Sedum erubescens var. polycephalum (Makino) Ohwi
Sedum japonicola Makino
Sedum malacophyllum var. japonicum (Maxim.) Fröd.
Sedum polycephalum (Makino) Makino

Native distribution areas:

Continental: Asie
Regional: Eastern Asie
Japan (Honshu, Shikoku, Kyushu), North Korea, South Korea, Siberia (E-Siberia)
Regional: China
China (Anhui, E-Heilongjiang, Jiangsu, Shandong, Zhejiang)

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
Primary references

Berger, A. in H. G. A. Engler & K. A. E. Prantl, 1930. Nat. Pflanzenfam. ed. 2, 18a:464.


Hassler, M. 2019. Orostachys japonica. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2019. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2019 Dec 19. Reference page.
International Plant Names Index. 2019. Orostachys japonica. Published online. Accessed: Dec 19 2019.
Govaerts, R. et al. 2019. Orostachys japonica in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2019 Dec 19. Reference page. 2019. Orostachys japonica. Missouri Botanical Garden. Published online. Accessed: 19 Dec 2019.
USDA, ARS, Germplasm Resources Information Network. Orostachys japonica in the Germplasm Resources Information Network (GRIN), U.S. Department of Agriculture Agricultural Research Service. Accessed: 07-Oct-06.

Vernacular names
日本語: ツメレンゲ

Orostachys japonica (Japanese:爪蓮華、昭和、秀女)also known as rock pine is a species of flowering plant in the family Crassulaceae.[1] Native to East Asia. Its main habitat is on the surface of mountain rocks in Korea, Japan and China.[2][3]

Orostachys japonica is a biennial/perennial plant growing to 10 centimetres (3.9 in). It is in flower from September to October. The flowers are hermaphrodite. The rosette leaves shape like a spatula.[3]

Suitable for: light sandy and loamy soils, prefers well-drained soil and can grow in nutritionally poor soil.
Suitable pH: acid, neutral and basic alkaline soils.

Because of its growing shape which resembles a pine tree's cone, and its habit of growing on mountain rocks, it is also called rock pine.[2] It grows well in a sunny or semi-shaded(light woodland) location with a well-drained and moist soil that is low in nutrients. Its flowers bloom from September to October. The flowers are white and each flower has 5 conical petals. The flower lacks a peduncle. Its calyx is divided into 5 parts. When the flowers bloom and produce seeds, it dries out.
Orostachys Japonica 1
Medicinal uses

The leaves and stems contain several medically active constituents including fatty acid esters, Friedelin and flavonoids.[2] They are antispasmodic and cytotoxic. It has anti-cancer effects in vitro. In Korea, they are used in the treatment of cancer, gingivitis, coagulation and metritis.[2]

"Orostachys japonica (Maxim.) A.Berger". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved August 22, 2020.
Medicinal Plants In the Republic of Korea. Natural Products research institute (Seoul National University). p. 187.
"Flora of China on-line". FOC Vol.8 241000249. Flora of China on-line. Archived from the original on 15 October 2013. Retrieved 8 October 2013.

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