Triticeae
| Triticeae | |
|---|---|
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| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Poaceae |
| Subfamily: | Pooideae |
| Tribe: |
Triticeae L. |
| Genera | |
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See text. |
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See text.
The tribe Triticeae within the subfamily Pooideae of grasses includes genera with many domesticated species. Major crop genera found in this tribe include wheat (See Wheat taxonomy), barley, and rye; crops in other genera include some for human consumption and others used for animal feed or rangeland protection. Among the world's cultivated species, this tribe has some of the most complex genetic histories. An example is bread wheat, which contains the genomes of three species, only one of them originally a wheat Triticum species. Seed storage proteins in the Triticeae are implicated in various food allergies and intolerances.
This list of tribes broadly follows that in Grass Genera of World. Although taxonomic disagreements exist about the precise circumscription of some genera, this scheme is typical of those used in taxonomic literature.
Various species are cultivated for pastoral purposes or to protect fallow land from opportunistic or invasive species
Many barley cultivars
Ryes
(Wheat)
Triticeae and its sister tribe Bromeae (possible cultivars: Bromus mango S. America) when joined form a sister clade with Poeae and Aveneae (Oats). Inter-generic gene flow characterized these taxa from the early stages. For example, Poeae and Aveneae share a genetic marker with barley and 10 other members of Triticeae, whereas all 19 genera of Triticeae bear a wheat marker along with Bromeae. Genera within Triticeae contain diploid, allotetraploid and/or allohexaploid genomes, the capacity to form allopolyploid genomes varies within the tribe. In this tribe, the majority of diploid species tested are closely related to Aegilops, the more distal members (earliest branch points) include Hordeum (Barley), Eremian, Psathyrostachys. The broad distribution of cultivars within the Tribe and the properties of the proteins have implication in the treatment of certain digestive diseases and autoimmune disorders.
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