| Collector | Stauning, O. |
| Number | 314 |
| Collected with | |
| Country | Mexico |
| Subpart | Yucatan |
| County | |
| Locality | State of YUCATAN. Municipio Valladolid. Approximately 11 km SSE of the village Xocén towards the village X-Uilub (16 QCT 8568). From old forest classified as 'nukuch kaax' by informant Celso Dzib Ay of Xocén, unless otherwise stated. |
| Coordinates | 20° 31' N 88° 7' W |
| Minimum elevation (m) | 30 |
| Maximum elevation (m) | 30 |
| Start date | 1989/07/29 |
| End date | 1989/07/29 |
| Family | Rubiaceae |
| Identification | Spermacoce capitata Ruiz & Pav. |
| Determined by | KEW |
| Identification qualifier | |
| Field notes | Weed in milpa. vernacular name: Xauay morado. Like 3 other types of xauay leaves from this taxon are probably used against itching "granos" claimed to be caused by cooling after working in the sun. |