| Family | Betulaceae |
| Scientific name | Alnaster pendulus Matsumura |
| Synonyms | Alnus firma Siebold & Zuccarini var. multinervis Regel; Alnus multinervis (Regel) Callier ex C. K. Schneider |
| Common name | (Japanese common name) hime yasha-bushi [dwarf yasha fushi (yasha = Japanese pronunciation of yakkha, fushi = a traditional Chinese medicine which involves tannin)] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Plants 10m. Leaves 5-10cm length. Flowers flowering in April. Deciduous. Arbor or subarbor trees. |
| Reference | Alnus pendula Matsum. |
| Mold capable of degrading dioxin, degradation of dioxin with the use of the same, method for producing composts capable of degrading dioxin and method for growing plants (US Patent 6506956/2003) |
| March 2007 at Tsukuba Botanical Garden |
March 2007 at Tsukuba Botanical Garden |
March 2007 at Tsukuba Botanical Garden |
| March 2007 at Tsukuba Botanical Garden |
March 2007 at Tsukuba Botanical Garden |
| March 2007 at Tsukuba Botanical Garden |
March 2007 at Tsukuba Botanical Garden |
March 2007 at Tsukuba Botanical Garden |