| Classification | Apocynaceae: Macrosiphonia |
| Classification 1 | Apocynaceae: Echites |
| Classification 2 | Apocynaceae: Telosiphonia |
| Harvard University Herbaria Barcode(s) | 00040844 |
| Type Status | Syntype, Isolectotype |
| Collector | C. Wright |
| Collector number | 1664 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas |
| Locality | N. Mex. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b58a180b-8b47-43e0-93cd-38c5e14c9114 |
| Harvard University Herbaria Barcode | 00040844 |
| Herbarium | GH |
| Previous ownership | ex Herb. John A. Lowell, transferred from the Boston Society of Natural History to GH, Oct. 2, 1941 |
| Family | Apocynaceae |
| Type Status | Syntype |
| Syntype of | Macrosiphonia berlandieri A. Gray |
| Verified by | W. T. Kittredge |
| Date Determined | 2008 |
| Taxon Reference | (for Macrosiphonia berlandieri A. Gray) Syn. Fl. N. Amer. 1878. 2(1): 83. |
| Family | Apocynaceae |
| Type Status | Isolectotype |
| Isolectotype of | Echites macrosiphon Torrey |
| Verified by | J. Henrickson (CSLA) |
| Date Determined | 1995-07-** |
| Taxon Reference | (for Echites macrosiphon Torrey) Rep. U.S. Mex. Bound., Bot. 1859. 158. |
| Family | Apocynaceae |
| Determination | Telosiphonia macrosiphon (Torrey) Henrickson |
| Determined by | J. Henrickson (CSLA) |
| Date Determined | 1995-07-** |
| Determination Remarks | [current name] |
| Family | Apocynaceae |
| Determination | Macrosiphonia berlandieri A. Gray |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |