| Collector | Holm-Nielsen, L. B. |
| Number | 5007 |
| Collected with | Jeppesen, S. & Lojtnant, B. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | AZUAY |
| County | |
| Locality | Km 107 S of Cuenca on Pan American Highway. Steep rocks with debris, very dry, dominated by a.o. Tillandsia medusa. |
| Coordinates | 3° 27' S 79° 9' W |
| Minimum elevation (m) | 2250 |
| Maximum elevation (m) | 2250 |
| Start date | 1973/05/04 |
| End date | 1973/05/04 |
| Family | Convolvulaceae |
| Identification | Evolvulus argyreus Choisy |
| Determined by | D. F. Austin, 1978 |
| Identification qualifier | |
| Field notes | Flowers deep blue. |
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