| Family | Moraceae |
| Scientific name | Ficus erecta Thunberg |
| Synonyms | Ficus beecheyana Hooker & Arnott; Ficus beecheyana forma koshunensis (Hayata) Sata; Ficus beecheyana forma tenuifolia Sata; Ficus beecheyana var. koshunensis (Hayata) Sata; Ficus erecta forma sieboldii (Miquel) Corner; Ficus erecta var. beecheyana (Hooker & Arnott) King; Ficus erecta var. beecheyana (Hooker & Arnott) King forma koshunensis (Hayata) Corner; Ficus erecta var. sieboldii (Miquel) King; Ficus japonica Blume; Ficus japonica Blume var. sieboldii (Miquel) King; Ficus koshunensis Hayata; Ficus maruyamensis Hayata; Ficus sieboldii Miquel; Ficus tenax Blume |
| Common name | (Japanese common name) inu biwa (イヌビワ, 犬枇杷 [meaning: dwarf biwa (biwa = Japanese lute)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan, Vietnam | |
| Chromosomal number | 2n=34 |
| Description | Plants 4m tall. Leaves 10-20cm long. Deciduous. Shrub. |
| Reference | Ficus erecta Thunberg |
| Ficus erecta Thunb. | |
| Method to ascertain the quality of herbs (US Patent 6855343/2005) | |
| Method for detecting and ascertaining the presence of active ingredients in herbs (European Patent EP1367394) | |
| Note | Some authors may identify narrow leaves type Ficus erecta as Ficus erecta var. sieboldii. |
| December 2006 at Koishikawa Botanical Garden |
December 2006 at Koishikawa Botanical Garden |