| Collector | Middleton, D.J. |
| Number | 5919 |
| Collected with | C. Hemrat. P. Karaket, S. Suddee, P. Triboun |
| Country | Thailand |
| Subpart | Bueng Kan |
| County | |
| Locality | Phu Wua Wildlife Sanctuary, Tham Fun Waterfall. Mixed deciduous forest on sandstone bedrock. |
| Coordinates | 18° 15' 56'' N 103° 54' 13'' E |
| Minimum elevation (m) | 175 |
| Maximum elevation (m) | 175 |
| Start date | 2015/08/06 |
| End date | 0/00/00 |
| Family | Fabaceae |
| Identification | Indigofera zollingeriana Miq. |
| Determined by | S. Suddee |
| Identification qualifier | |
| Field notes | Tree 7m tall, 6cm dbh.; bark grey, densely brown leticellate; leaves dark green above, slightly paler beneath; fruit mid green. |
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