| Classification | Euphorbiaceae: Jatropha | 
| Barcode(s) | 00057301 | 
| Type Status | Holotype | 
| Collector | T. Rojas | 
| Collector number | 8559 | 
| Country | Paraguay | 
| Geography | South America: South America (Region) (Region): Paraguay | 
| Locality | Chaco Paraguayo, Ururo | 
| Date Collected | 1939-04-** | 
| Habitat | Monte ralo [thin] | 
| Container | Hortus Paraguayensis | 
| Remarks | [described in Spanish] | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b4d5cb8e-cea9-4d81-aae9-821aba4f1076 | 
| Harvard University Herbaria Barcode | 00057301 | 
| Herbarium | A | 
| Family | Euphorbiaceae | 
| Type Status |  Holotype | 
| Holotype of |  Jatropha hippocastanifolia Croizat | 
| Taxon Reference | (for  Jatropha hippocastanifolia Croizat) J. Arnold Arbor. 1943. 24: 168. | 
| Family | Euphorbiaceae | 
| Determination |  Jatropha hippocastanifolia Croizat | 
| Determined by | B. Dehgan (FLAS) | 
| Date Determined | 1996 | 
| Determination Remarks |  [current name] | 
| Annotation Text | HOLOTYPE; Examined for a Monograph of New World Jatropha | 
| Family | Euphorbiaceae | 
| Determination |  Jatropha hippocastanifolia Croizat | 
| Determined by | L. C. M. Croizat | 
| Date Determined | 1942-08-27 | 
| Annotation Text | HOLOTYPUS! | 
| Family | Euphorbiaceae | 
| Determination |  Jatropha hippocastanifolia Croizat | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed | 
| Item Remarks | [Two pencil drawings included with sheet, along with flower fragments of Rojas collection 8406] |