| Classification | Polygonaceae: Polygonum | 
| Harvard University Herbaria Barcode(s) | 00238520 | 
| Collector | C. Y. Chiao & C. S. Fan | 
| Collector number | 545 | 
| Country | China | 
| State | Sichuan | 
| Geography | Asia: East Asia (Region): China: Sichuan: Emei | 
| Locality | Omei Shan. | 
| Date Collected | 1938-08-29 | 
| Elevation | 1900 m | 
| Habitat | Roadside. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/afc73605-7374-4d18-bc9c-4a82c3a2a630 | 
| Harvard University Herbaria Barcode | 00238520 | 
| Herbarium | A | 
| Family | Polygonaceae | 
| Determination | Polygonum microcephalum var. sphaerocephalum (Wallich ex Meisner) Murata | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |