Pandanales
| Pandanales Temporal range: Mid Cretaceous – Recent 114–0 Ma |
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|---|---|
 |
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| Carludovica palmata | |
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Order: |
Pandanales R.Br. ex Bercht. & J.Presl |
| Type species | |
|
Pandanus tectorius Parkinson |
|
| Families | |
Pandanales (pandans or screw-pines) is the botanical name for an order of flowering plants placed in the monocot clade in the Angiosperm Phylogeny Group and Angiosperm Phylogeny Web systems. Within the monocots Pandanales are grouped in the lilioid monocots where they are in a sister group relationship with the Dioscoreales. Historically the order has consisted of a number of different families in different systems but modern classification of the order is based primarily on molecular phylogenetics despite diverse morphology which previously placed many of the families in other groupings based on apparent similarity. Members of the order have a subtropical distribution and includes palms, trees, shrubs, and vines as well as herbaceous plants. The order consists of 5 families, 36 genera and about 1,300 species.
Pandanales are highly diverse including large arboraceous plants of tropical rainforests and coastal areas, climbing vines and lianas, as well as very small achlorophyllous (mycoheterotrophic) and saprophytic herbaceous forest floor species. This has made it difficult to reliably define synapomorphies, but the loss of trimery distinguishes many of them from other lilioid monocots.
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