| Collector | Averyanov, L. |
| Number | CBL89 |
| Collected with | N.Q. Binh, N.T. Hiep, P.K. Loc & N.X. Tam |
| Country | Vietnam |
| Subpart | Cao Bang |
| County | |
| Locality | distr. Nguyen Binh, municipality Nguyen Binh, about 41 km to W from Cao Bang town. Elevation from Le A pass to Na Ni mt. peak 1400-1900 m alt. Old secondary closed evergreen mountain forest on soils developed on granite and shale rocks. Forb vine up to 6-7 m hg in open places and secondary shrubs. |
| Coordinates | 22° 37' N 105° 52' E |
| Minimum elevation (m) | 1400 |
| Maximum elevation (m) | 1900 |
| Start date | 1998/11/11 |
| End date | 1998/11/12 |
| Family | Gentianaceae |
| Identification | Tripterospermum brevidentatum Hul |
| Determined by | |
| Identification qualifier | |
| Field notes | Flowers light blue. Common |
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