| Tribe | Maxillarieae |
| Subtribe | Maxillariinae |
| Scientific name | Trigonidium acuminatum Bateman ex Lindley |
| Synonyms | Trigonidium peruvianum Schlechter; Trigonidium subrepens Rolfe; Trigonidium tenue Loddiges ex Lindley |
| Distribution | Venezuela, Bolivia, Guyana, Surinam, French Guiana, Brazil |
| Reference | Trigonidium acuminatum Bateman ex Lindl. 1838 |
| July 2006 at Tsukuba Botanical Garden |
July 2006 at Tsukuba Botanical Garden |