1. ARECACEAE (Palmae)

4. Megatherium Cuvieronius Glyptodon Mammuthus Toxodon Acrocomia

5. Current Angiosperm Phylogeny Group Tree for Flowering Plants monocots palms

6. Palms, like all commelinids, have silica bodies.

9. Diversity in the Palm Family

12. bract

13. Cocos nucifera - leaves plaited downward

14. Cocos nucifera - staminate inflorescence DLN photo bract

15. Geonoma - imperfect flowers Damon Little photos

17. Calamus

19. Nypa - the mangrove palm

20. Nypa distribution, living (red) and fossil (blue)

22. Corypha

24. Ceroxylon Ceroxylon quindiuense: the tallest palm (and thus tallest monocotyledon), reaches 60 m (200 feet) in height, and species growing at the highest altitude of the palm family (Arecaceae), at more than 10,000 feet (3000 m) in elevation.

25. Ceroxylpoideae distribution includes Phytelephas: 8 genera total

27. arecoid palms in the understory at Monteverde, Costa Rica

28. Socratea - Amazonian understory palm

29. Elaeis - the African oil palm. DLN photo

30. Açaí Palm Euterpe oleracea DLN photo

31. Phoenix canariensis DLN photo

32. Asterogyne martiana - palm as treelet

33. Saw Palmetto (Serenoa repens) sitosterol

34. sample steroid skeleton sitosterols

35. Areca catechu - the betel nut

36. arecoline arecaidine guvacine ARECAL ALKALOIDS GABA (Gamma-aminobutyric acid)

37. Arecaceae: Key characters Plicate, compound leaves, Leaf sheathes Spathe Drupes Asmussen, C. B., Dransfield, J., Deickmann, V., Barfod, A. S., PINTAUD, J. C., & Baker, W. J. (2006). A new subfamily classification of the palm family (Arecaceae): evidence from plastid DNA phylogeny. Botanical Journal of the Linnean Society, 151(1), 15-38.