| Collector | Gentry, A.H. |
| Number | 31658 |
| Collected with | et al. |
| Country | Peru |
| Subpart | Loreto |
| County | |
| Locality | Prov. Maynas. Mishana, Río Nanay halfway between Iquitos and Santa Maria de Nanay, seasonally inundated tahuampa forest |
| Coordinates | 3° 50' S 73° 30' W |
| Minimum elevation (m) | 130 |
| Maximum elevation (m) | 130 |
| Start date | 1981/02/23 |
| End date | 1981/02/23 |
| Family | Annonaceae |
| Identification | Guatteria modesta Diels |
| Determined by | P.J.M.Maas & L.Y.Th.Westra |
| Identification qualifier | |
| Field notes | Tree 30 in, flowers distinctly reddish with yellowish shading |
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