| Collector | Irwin, H.S. |
| Number | 23415 |
| Collected with | R.R. Santos, R. Souza & S.F. Fonseca |
| Country | Brazil |
| Subpart | Estado de Minas Gerais |
| County | |
| Locality | Serra do Espinhaco. Sandy cerrado immediately north of Grao Mogol |
| Coordinates | |
| Minimum elevation (m) | 950 |
| Maximum elevation (m) | 950 |
| Start date | 1969/02/17 |
| End date | 1969/02/17 |
| Family | Rutaceae |
| Identification | Esenbeckia irwiniana Kaastra |
| Determined by | |
| Identification qualifier | |
| Field notes | Few-branched shrub ca. 1 m tall. Corolla white; stamens violet. Immature fruit green. Locally common |
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