Trochodendrales is an order of flowering plants recognized in the APG IV classification, containing a single living family, Trochodendraceae, as its only representative. The family consists of two living genera, each with a single species, native to southeast Asia, along with several extinct genera known from the fossil record. Both living species share the unusual trait of secondary xylem lacking vessel elements, a primitive wood structure that is rare among flowering plants and has made the order significant for the study of early angiosperm evolution.
Facts
Taxonomic Rank Member Count Band Era First Appeared Classification
Living or Extinct In the Other Atlases
Found In
Also in Geography Atlas: where this subject is found.
Sources
1. Wikidata (taxon extant/extinct status)
Wikimedia Foundation / Wikidata contributorsQ2704173, descriptionView the Source 2. Wikipedia: Trochodendraceae
- Taxonomic rank (Wikipedia confirms the entity; rank from slug/structure-wave classification)
In Group: Other Eudicot Orders, Lead
Trochodendraceae is the only family of flowering plants in the order Trochodendrales.
View the Source3. Catalogue of Life (ChecklistBank): Taxon metrics for Trochodendrales
Catalogue of Life (ChecklistBank)Taxon metrics, speciesExtantCountQuote, Taxon metrics, speciesExtantCount
"speciesExtantCount": 2
4. Paleobiology Database: Taxon record for Trochodendrales
Paleobiology DatabaseTaxon record, first appearance (firstapp_max_ma, early_interval)Quote, Taxon record, first appearance (firstapp_max_ma, early_interval)
"taxon_name": "Trochodendrales" ... "firstapp_max_ma": 72.2 ... "early_interval": "Maastrichtian"
Wikidata: Trochodendrales
Wikidata Q131414, class allow-list match (w-wdresolver-0926)View the Source Reader Challenges (0)
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