| Collector | Beusekom, C.F.v. |
| Number | 542 |
| Collected with | C. Phengklai |
| Country | Thailand |
| Subpart | Ranong |
| County | |
| Locality | Khao Saideng, near Ranong. Wet evergreeen forest. |
| Coordinates | |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 400 |
| Start date | 1968/05/04 |
| End date | 1968/05/04 |
| Family | Commelinaceae |
| Identification | Amischotolype marginata (Blume) Hassk. |
| Determined by | Boonchuang Boonsuk |
| Identification qualifier | |
| Field notes | Along stream. Calyx orange-red, corolla purple. Lvs. beneath sometimes purple. |
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