| Collector | Stauning, O. |
| Number | 263 |
| Collected with | |
| Country | Mexico |
| Subpart | Yucatan |
| County | |
| Locality | State of YUCATAN, municipio Valladolid. The village Xocén (16 QCT 7978). In dooryard garden or roadside secondary vegetation in or near pueblo. |
| Coordinates | 20° 36' N 88° 10' W |
| Minimum elevation (m) | 40 |
| Maximum elevation (m) | 40 |
| Start date | 1989/10/03 |
| End date | 1989/10/03 |
| Family | Fabaceae |
| Identification | Senna uniflora H.S. Irwin & Barneby |
| Determined by | |
| Identification qualifier | |
| Field notes | Annual herb, to 70 cm. Flowering throughout summer. Flowers yellow. Vernacular name: Turu bayen. Use: None according to informant Celso Dzib Ay. |
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