| Classification | Annonaceae: Cyathocalyx |
| Classification 1 | Annonaceae |
| Harvard University Herbaria Barcode(s) | 00135498 |
| Type Status | Holotype |
| Collector | B. Perumal & J. V. LaFrankie |
| Collector number | 527 |
| Country | Malaysia |
| State | Sarawak |
| Geography | Asia: Southeast Asia (Region): Malaysia: Malaysia Timor: Sarawak: Miri Division |
| Locality | Lambir Hills National Park, along Miri - Bintulu road |
| Date Collected | 1992-04-30 |
| Habitat | Primary forest |
| Container | Plants of Lambir Hills National Park |
| Substrate | on sandstone and shale |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4e87a261-7d9d-4c5a-8bb7-14dfc2d46917 |
| Harvard University Herbaria Barcode | 00135498 |
| Herbarium | A |
| Family | Annonaceae |
| Type Status | Holotype |
| Holotype of | Cyathocalyx angustipetalus R. J. Wang & R. M. K. Saunders |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2015 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Cyathocalyx angustipetalus R. J. Wang & R. M. K. Saunders) Bot. J. Linn. Soc. 2006. 152(4): 516. |
| Family | Annonaceae |
| Determination | Cyathocalyx angustipetalus R. J. Wang & R. M. K. Saunders |
| Determined by | [annotation on sheet] |
| Date Determined | 2004-03-** |
| Determination Remarks | [current name] |
| Annotation Text | Holotype, sp. nov. ined. |
| Family | Annonaceae |
| Determination | Annonaceae |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |