| Collector | Molau, U. |
| Number | 3434 |
| Collected with | B. Eriksen |
| Country | Peru |
| Subpart | Chachapoyas |
| County | |
| Locality | Amazonas. Upper W slopes of Cerros Calla-Calla, 3.5 km W of the pass, 57 km from Balsas on road to Leimabamba. Mountain scrub |
| Coordinates | 6° 48' S 77° 52' W |
| Minimum elevation (m) | 3500 |
| Maximum elevation (m) | 3500 |
| Start date | 1988/03/25 |
| End date | 1988/03/25 |
| Family | Scrophulariaceae |
| Identification | Calceolaria rufescens Molau |
| Determined by | |
| Identification qualifier | |
| Field notes | Erect shrub, 0.3-1.5 m tall, the stems reddish-hirsute. Sepals herbaceous, lemon yellow. Corolla bright yellow, unspotted. Anthers yellow-brown |
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