| Classification | Fabaceae: Tephrosia |
| Classification 1 | Fabaceae: Sphinctospermum |
| Harvard University Herbaria Barcode(s) | 00063511 |
| Type Status | Syntype |
| Collector | Edw. Palmer |
| Collector number | 222 |
| Country | Mexico |
| State | Sonora |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Sonora: Guaymas |
| Locality | High up the mountains, Guaymas |
| Date Collected | 1887-09-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1a0b54c5-880c-4f99-b17f-e6440b663799 |
| Harvard University Herbaria Barcode | 00063511 |
| Herbarium | GH |
| Family | Fabaceae |
| Type Status | Syntype |
| Syntype of | Tephrosia constricta S. Watson |
| Verified by | C. E. Wood, Jr. |
| Taxon Reference | (for Tephrosia constricta S. Watson) Proc. Amer. Acad. Arts 1889. 24: 46. |
| Family | Fabaceae |
| Determination | Sphinctospermum constrictum (S. Watson) Rose |
| Determined by | M. Lavin |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
