| Collector | Nielsen, I.C. |
| Number | 1550 |
| Collected with | T. Jonganurak, N.Hemrath, J. Rithipheth |
| Country | Thailand |
| Subpart | Sakhon Nakhon |
| County | |
| Locality | Thor-Khate division of Phu Phaan National Park |
| Coordinates | 16° 58' N 104° 2' E |
| Minimum elevation (m) | 585 |
| Maximum elevation (m) | 585 |
| Start date | 2004/08/07 |
| End date | 2004/08/07 |
| Family | Sterculiaceae |
| Identification | Helicteres lanceolata A.DC. |
| Determined by | P. Chantaranothai |
| Identification qualifier | |
| Field notes | Dry evergreen forest on sandy-silty soil. Shrublet, 1.5 m tall; calyx membramous, light green, petals white |
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