| Collector | Larsen, K. |
| Number | 40874 |
| Collected with | S. S. Larsen, A. S. Barfod, W. Nanakorn, W. Ueachirakan and P. Sirirugsa |
| Country | Thailand |
| Subpart | SURATTHANI |
| County | |
| Locality | Khao Sok. Evergreen gallery forest. |
| Coordinates | 8° 55' N 98° 40' E |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 200 |
| Start date | 1991/10/25 |
| End date | 1991/10/25 |
| Family | Orchidaceae |
| Identification | Arundina graminifolia (D. Don)Hochr. |
| Determined by | H.AE.Pedersen l99l |
| Identification qualifier | |
| Field notes | "This specimen should always be cited as ""H.AE.Pedersen 40874"". Ovary green. Sepals, petals, and side lobes of labellum light to dark purple. Labellum with a central yellow spot tinted with red. Keels yellow. Column white. Pollinia yellowish. " |
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