pandanales
Học thuậtThân thiện
Definition
Proper noun An order of monocotyledonous plants, primarily tropical and subtropical, characterized by woody or herbaceous growth, often with aerial prop roots, and typically having large, linear leaves. The order historically included the families Typhaceae (cattails), Sparganiaceae (bur-reeds), and Pandanaceae (screw pines).
Usage
- The classification Pandanales is used in botanical taxonomy to group related plant families.
- In many modern taxonomic systems, the composition of the order Pandanales has been revised.
Examples
- The screw pine, a common coastal plant, belongs to the order Pandanales.
- Botanists studied the evolutionary relationships within Pandanales.
- Older floras list the cattail family under the order Pandanales.
Advanced Usage
- In contemporary phylogenetic classifications (e.g., the Angiosperm Phylogeny Group system), the order Pandanales is defined more narrowly and may include different families, such as Pandanaceae, Cyclanthaceae, Stemonaceae, Triuridaceae, and Velloziaceae, while Typhaceae and Sparganiaceae are often placed in the order Poales.
Variants and Related Words
- Pandanaceous (adjective): Of or relating to the family Pandanaceae or the order Pandanales.
- The pandanaceous plants showed similar floral structures.
- Pandan (noun): A common name for plants in the genus (family Pandanaceae).
- Pandan leaves are used for flavoring in Southeast Asian cuisine.
Synonyms
- Order Pandanales (full taxonomic term).
Notes on Meaning
This term is highly specialized and used almost exclusively in the context of scientific botany and plant taxonomy. Its precise meaning depends on the taxonomic system being referenced (historical vs. modern).
Noun
- families Typhaceae; Sparganiaceae; Pandanaceae