| Family | Cycadaceae |
| Scientific name | Cycas revoluta Thunberg |
| Synonyms | Cycas inermis Loureiro; Cycas revoluta Thunberg var. inermis Miquel |
| Common name | (Japanese common name) so-tetsu [Japanese pronunciation of Chinese common name] |
| (English common name) Japanese sago palms, king sago palms | |
| Distribution | (Japan) Kyushu, Okinawa |
| (Other nations) China | |
| Chromosomal number | 2n=22 |
| Description | Evergreen. Shrub. |
| Reference | Cycas revoluta Thunb. |
| Cycas revoluta Thunberg | |
| Cycas revoluta | |
| Cycas revoluta - "Sago Palms" | |
| Process for producing plant extract containing plant powder (European Patent EP1407679) | |
| Methods of creating dwarf phenotypes in plants (WIPO Patent WO/2002/008411) | |
| Depolymerized polysaccharide-based hydrogel adhesive and methods of use thereof (WIPO Patent WO/2006/085329) | |
| Novel plants (WIPO Patent WO/2006/133970) | |
| Note | Red seeds of this species involves cycasin which may cause some diseases. |
| November 2006 at Koishikawa Botanical Garden |
November 2006 at Koishikawa Botanical Garden |
| December 2006 at Koishikawa Botanical Garden |
November 2006 at Koishikawa Botanical Garden |
December 2006 at Shinjuku Gyoen National Garden |