Paspaleae
| Paspaleae | |
|---|---|
| Error creating thumbnail: | |
| Knotgrass (Paspalum distichum) | |
| Scientific classification Edit this classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Poaceae |
| Clade: | PACMAD clade |
| Subfamily: | Panicoideae |
| Supertribe: | Andropogonodae |
| Tribe: | Paspaleae J. Presl (1830) |
| Genera | |
|
39, see text | |
| Synonyms[1] | |
| |
Paspaleae is a tribe of the Panicoideae subfamily in the grasses (Poaceae), native mainly to the tropical and subtropical Americas but with a number of species introduced to other regions. It includes roughly 680 species in 39 genera.[2] Species in this tribe use either of the C3 or C4 photosynthetic pathways.[3]
The genera of Paspaleae used to be included in the Paniceae but were assigned to a new tribe following molecular phylogenetic analyses in 2012. The Paspaleae have an ancestral number of chromosomes (monoploid number) of x = 10, unlike the Paniceae sensu stricto with x = 9, and are more closely related to the tribes Andropogoneae and Arundinelleae.[4] The tribe is subdivided into three subtribes, with one genus, Reynaudia, unplaced (incertae sedis) and probably basal to the other genera.[2] The genus Lecomtella is sometimes included but a study suggested this genus was a distinct clade and best treated as separate tribe, Lecomtelleae.[5]
Subtribes and genera
[edit | edit source]Subdivisions:[1]
- incertae sedis
- Paspalinae
- Aakia
- Acostia
- Anthaenantia (syn. Leptocoryphium)
- Anthaenantiopsis
- Axonopus (syns Centrochloa, Ophiochloa)
- Baptorhachis
- Echinolaena
- Gerritea
- Hildaea
- Hopia
- Ichnanthus
- Ocellochloa
- Oedochloa
- Osvaldoa
- Paspalum (syn. Thrasya, Thrasyopsis, Reimarochloa, Spheneria)
- Renvoizea
- Streptostachys
- Otachyriinae
- Hymenachne (syn. Dallwatsonia)
- Otachyrium
- Plagiantha
- Rugoloa
- Steinchisma (syn. Cliffordiochloa, Fasciculochloa)
- Arthropogoninae
References
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External links
[edit | edit source]- Error creating thumbnail: File missing Media related to Lua error in Module:Commons_link at line 62: attempt to index field 'wikibase' (a nil value). at Wikimedia Commons
- File:Wikispecies-logo.svg Data related to Paspaleae at Wikispecies
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