| Collector | Knapp, S. |
| Number | 7173 |
| Collected with | J. Mallet |
| Country | Peru |
| Subpart | San Martin |
| County | |
| Locality | Lamas, Santa Rosa de Davidcillo, Km 72 of Tarapoto-Yurimaguas road. Tropical wet forest on white sand (unless indicated) |
| Coordinates | 6° 16' 5'' S 76° 17' '' W |
| Minimum elevation (m) | 200 |
| Maximum elevation (m) | 200 |
| Start date | 1986/04/22 |
| End date | 1986/04/23 |
| Family | Marantaceae |
| Identification | Ischnosiphon hirsutus O. G. Peters. |
| Determined by | L. Andersson |
| Identification qualifier | |
| Field notes | Herb to 50 cm, flowers with upper petals cream, lower petal bright yellow, bracts greenish-white. On red clay |
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