| Family | Crassulaceae |
| Subfamily | Sedoideae |
| Tribe | Sedeae |
| Subtribe | Sedinae |
| Scientific name | Phedimus aizoon (L.) 't Hart var. floribundus (Nakai) H. Ohba |
| Synonyms | Sedum aizoon L. var. floribundum Nakai; Sedum aizoon L. subsp. kamtschaticum auct., non (Fischer) Fröderström; Sedum kamtschaticum auct., non Fischer & C. A. Meyer |
| Common name | (Japanese common name) kirin-sou (キリンソウ, 黄輪草 [meaning: yellow wheel flower weed]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China, Mongolia | |
| Habitat | Seaside, forest edge, subalpine field or rocks |
| Chromosomal number | 2n=32, 33, 34, 48, 61, 64, 78, 80, 84, 85, 88, 93, 94, 95, 96, 97, 102 |
| Description | Plants 20-50cm tall. Leaves 2-7cm long, 1-2.5cm wide. Flowers 5 yellow petals each 6mm long, 10 stamens, flowering in July to August. Fruits 5-6mm long. Perennial plants. |
| Reference | Phedimus aizoon (L.) 't Hart |
| Phedimus aizoon (Linnaeus) 't Hart | |
| Medicinal herbal extract carpediol for treating depression (US Patent 6905706/2005) | |
| Cosmetic composition and production thereof (US Patent 20060018867) |
| June 2007 at Seaside in Niigata Prefecture |
June 2007 at Seaside in Niigata Prefecture |
June 2007 at Seaside in Niigata Prefecture |