| Collector | Averyanov, L. |
| Number | CBL4 |
| Collected with | N.Q. Binh, N.T. Hiep, P.K. Loc, N.X. Tam |
| Country | Vietnam |
| Subpart | Cao Bang |
| County | |
| Locality | About 41km to W from Cao Bang town. Elevation from Le A pass to Na Ni mt. peak at 1400-1900m alt. Open wet steep slopes on soils developed on granite and shale rocks. |
| Coordinates | |
| Minimum elevation (m) | 1400 |
| Maximum elevation (m) | 1900 |
| Start date | 1998/11/11 |
| End date | 0/00/12 |
| Family | Fabaceae |
| Identification | Crotalaria ferruginea Grah. ex Bth. |
| Determined by | P. Chantaranothai |
| Identification qualifier | |
| Field notes | Forb up to 1.5m hg. Not common. |
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