Orchids were particularly prevalent in at higher altitudes where the rainfall and humidity was high and along beside stream beds and waterfalls. Certain genera however preferred limestone and grew fully exposed to the sun. Due to the great demand for this group of plants, the collecting localities have been kept secret.
Living material was collected and distributed to the Rijksherbarium in Leiden and the Royal Botanic Gardens Kew.
The summary is that after the expedition, the orchid flora of Palawan had:
- 53 genera
- 101 species
- 13 species were endemic to Palawan
- An additional 23 species were endemic to the Philippines
- The expedition resulted in
- 1 new genus to the Philippines
- 13 additional new genera new to Palawan
- 27 additional new species new to Palawan – so 40 species new to the island
- Bulbophyllum had 12 new species records added, raising the total to 15 species on Palawan
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Here is the checklist as it was in 1987:
| Genus | Species |
|---|---|
| Acropolis | indica |
| Adenostylis | elmeri Ames |
| Agrostophyllum | sp. |
| Apostasia | wallichii R.Br. |
| Appendicula | buxifolia |
| cornuta Blume | |
| philippinensis (Schltr.)J.J. Sm. | |
| sp. | |
| Bulbophyllum | cheiri Lindl. subsp. maegalanthum |
| clandestinum Lindl. | |
| cyropetalum Schltr. | |
| odoratum (Bl.)Rchb. | |
| daerei (Hort.)Reichb.f. | |
| kitredgei (Garay, Hamer & Siegerist) J.J.Verm. | |
| macranthum | |
| profusum Ames | |
| sessile | |
| stramineum Ames | |
| tortuosum | |
| unguiculatum Rchb. f. | |
| vaginatum | |
| whitfordii Rolfe | |
| Calanthe | conspicua Lindl. |
| triplicata | |
| Camarotis | sp. |
| Ceratostylis | sp. |
| Chelonistele | sulphurea |
| Cleisostoma | sp. |
| Coelogyne | palawanense Ames |
| sparsa Reichb. f. | |
| Cryptostylis | spp. |
| Cymbidium | finalysonianum Lind. |
| Dendrochilium | palawanense Ames |
| Dendrobium | crumenatum Sw. |
| cultratum Schlt. | |
| indivisum (Bl.)Miq. | |
| inflorum Griff. | |
| lunatum Lindl. | |
| merrill Ames | |
| reflexitepalum J.J.Sm. | |
| uniflorum Griff. | |
| Eria | anceps Laevit |
| albolutea Rolfe | |
| curranii Leavitt | |
| floribunda Lindl. | |
| palawanensis Ames | |
| polyura Lincdl. | |
| bractescens Lindl. | |
| Erythorchis | altissima (Bl.)Reichb. f. |
| Erythrodes | sp. |
| Eulophia | squalida Lindl. |
| Flickingeria | spp. |
| Gastrodia | javanica (Blume)Lindl. |
| Geodorum | nutans (Prest.)Ames |
| densiflorum (Lam.) Schltr. | |
| Grammatophytlum | scriptum (L.)Blume |
| Hetaeria | oblongifolia Blume |
| Kingiella | philippinensis (Ames)Rolfe |
| Lepidogyne | longifolia Bl. |
| Liparis | nutans Ames |
| palawanensis Ames | |
| propingua Ames | |
| viridiflora (Bl.) Lindl. | |
| Ludisia | discolor (Ker Gard.) A. Rich |
| Luisia | teretifolia Gaudich. |
| Malaxis | balabacensis Ames |
| metallica | |
| perakensis | |
| Nervilia | crispata (Blume) Schlt. |
| Oberonia | cylindrica Lindl. |
| Oberonia | iridifolia (Roxb.) Lindl. |
| Paphiopedilum | barbatum Pfitz. |
| philippinense Stein. | |
| Phaius | sp. |
| Phalaenopsis | amabilis (L.) Blume var. aphrodite (Reichb. f.) |
| lueddemanniana Reichb. f. | |
| mirabilis L. | |
| Pholidota | imbricata Lindl. |
| Plocoglottis | copelandii Ames |
| Podochilus | bicaudatus Schlt. |
| Polystachya | flavescens |
| Pomatocalpa | bicolor (Lindl.) J.J. Smith |
| Pomatocalpa | latifolium (Lindl.) J.J. Smith |
| vitellinum (Reichb. f.) Ames | |
| Pteroceras | sp. |
| Sarcanthus | dealbatus (Lindl.) Reichb. f. |
| Sarcanthus | malleifer J.J. Sm. |
| subulatus (Bl.) Reichb. f. | |
| weberi Ames | |
| Sarcochilus | appendiculatus (Blume) J.J. Smith |
| palawanensis Ames | |
| Schoenorchis | ? |
| Spathoglottis | plicata Blume |
| Taeniophyllum | philippinensis Reichb. f. |
| Thecostele | alata (Roxb.) Par. & Reichb. f. |
| Thelasis | sp. PNH 14253 |
| Thrixspermum | elongatum Ames |
| wenzelii Ames | |
| Trichoglottis | batanensis Ames |
| latisepata Ames | |
| Vanda | lamellata Lindl. |
