| Collector | Berg, C.C. |
| Number | P19926 |
| Collected with | W.C. Steward |
| Country | Brazil |
| Subpart | Mato Grosso |
| County | |
| Locality | Nucleo Pioneiro de Humboldt, lower port. Varzea; forest on sandy soil. |
| Coordinates | 10° 12' S 59° 21' W |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 1973/10/28 |
| End date | 1973/10/28 |
| Family | Annonaceae |
| Identification | Guatteria maypurensis Kunth |
| Determined by | P.J.M. Maas (U)1994. Maas & Westra 2011 |
| Identification qualifier | |
| Field notes | Shrub, 2.5 m tall. Corolla yellow. Stamens brown. Stigmas green |
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