| Classification | Asclepiadaceae: Metastelma | 
| Barcode(s) | 00076536 | 
| Type Status | Isotype | 
| Collector | S. F. Blake | 
| Collector number | 7793 | 
| Country | Guatemala | 
| State | Izabal | 
| Geography | North America: Central America (Region): Guatemala: Izabal | 
| Locality | Trail from Los Amates to Izabal, open rocky hillside, thinly wooded with pine | 
| Date Collected | 1919-05-31 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/55f4c23a-3190-45cd-b406-840a3d6ba6ad | 
| Harvard University Herbaria Barcode | 00076536 | 
| Herbarium | GH | 
| Family | Asclepiadaceae | 
| Type Status |  Isotype | 
| Isotype of |  Metastelma collinum S. F. Blake | 
| Determination Remarks | [Holotype: US] | 
| Taxon Reference | (for  Metastelma collinum S. F. Blake) Contr. U.S. Natl. Herb. 1922. 24: 19. | 
| Family | Asclepiadaceae | 
| Determination |  Metastelma arizonicum subsp. chiapense (A. Gray) Liede & Meve | 
| Determination Remarks |  [current name] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |