| Classification | Acanthaceae: Dipteracanthus |
| Classification 1 | Acanthaceae: Ruellia |
| Harvard University Herbaria Barcode(s) | 00093955 |
| Type Status | Isosyntype |
| Collector | F. J. Lindheimer |
| Collector number | Fasc. I.157 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas |
| Date Collected | 1843 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/58582d41-1df9-4f37-af03-91776950fd3f |
| Harvard University Herbaria Barcode | 00093955 |
| Herbarium | GH |
| Previous ownership | Transferred from the Boston Society of Natural History to GH, Oct. 2, 1941 |
| Family | Acanthaceae |
| Type Status | Isosyntype |
| Isosyntype of | Dipteracanthus nudiflorus Engelmann & A. Gray |
| Verified by | W. T. Kittredge |
| Date Determined | 2009 |
| Taxon Reference | (for Dipteracanthus nudiflorus Engelmann & A. Gray) Boston J. Nat. Hist. 1845. 5(2): 229. |
| Family | Acanthaceae |
| Determination | Ruellia nudiflora (Engelmann & A. Gray) Urban |
| Determined by | T. F. Daniel (ASU) |
| Date Determined | 1982 |
| Determination Remarks | [current name] |
| Annotation Text | Syntype |
| Family | Acanthaceae |
| Determination | Ruellia nudiflora (Engelmann & A. Gray) Urban |
| Determined by | D. C. Wasshausen (US) |
| Date Determined | 1965 |
| Annotation Text | Isotype |
| Family | Acanthaceae |
| Determination | Ruellia nudiflora (Engelmann & A. Gray) Urban |
| Determined by | B. C. Tharp |
| Date Determined | 1947 |
| Family | Acanthaceae |
| Determination | Dipteracanthus nudiflorus Engelmann & A. Gray |
| Determination Remarks | [label name] |
| Family | Acanthaceae |
| Determination | Ruellia tuberosa Linnaeus |
| Determination Remarks | [pencil annotation on sheet] |
| Annotation Text | see Gray's Flora of N.A. 2 pr. 1 p. 325 |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |