| Collector | Averyanov, L. |
| Number | CBL1172 |
| Collected with | N.Q. Binh, N.T. Hiep, P.K. Loc, N.X. Tam |
| Country | Vietnam |
| Subpart | Cao Bang |
| County | |
| Locality | Tra Linh distr., municipality Luu Ngoc, vicinities of Lung Mu village, about 14 km from Cao Bang town to the N. Secondary shrubs and grasslands on alluvial valley between remnant limestone ridges and mesas |
| Coordinates | 22° 47' N 106° 18' E |
| Minimum elevation (m) | 600 |
| Maximum elevation (m) | 650 |
| Start date | 1998/12/13 |
| End date | 1998/12/13 |
| Family | Lamiaceae |
| Identification | Leonurus japonicus Houtt. |
| Determined by | Allan Paton (Kew) |
| Identification qualifier | |
| Field notes | Terrestrial forb up to 1 m hg in open wet place between limestone rocks. Flowers light violet. Not common. |
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