| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00238397 |
| Collector | C. Y. Chiao |
| Collector number | 1133 |
| Country | China |
| State | Sichuan |
| Geography | Asia: East Asia (Region): China: Sichuan: Ya'an |
| Locality | Ya-an, near S city. |
| Date Collected | 1939-07-26 |
| Habitat | Growing along stream bank. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9fe997a6-5c92-40bb-b658-5ffb88c66042 |
| Harvard University Herbaria Barcode | 00238397 |
| Herbarium | A |
| Family | Polygonaceae |
| Determination | Polygonum perfoliatum Linnaeus |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
