Agrostula
| Agrostula | |
|---|---|
| File:Agrostis truncatula subsp. truncatula Enfoque 2013-6-16 SierraMadrona.jpg | |
| Agrostula truncatula subsp. truncatula | |
| Scientific classification Edit this classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Poaceae |
| Subfamily: | Pooideae |
| Tribe: | Poeae |
| Subtribe: | Agrostidinae |
| Genus: | Agrostula P.M.Peterson, Romasch., Soreng & Sylvester |
| Species: | A. truncatula
|
| Binomial name | |
| Agrostula truncatula (Parl.) P.M.Peterson, Romasch., Soreng & Sylvester
| |
| Subspecies[1] | |
| |
| Synonyms[1] | |
| |
Agrostula is a genus of grasses. It includes a single species, Agrostula truncatula, which is native to the Pyrenees of France and Spain, Portugal, and Morocco.[2][1]
It includes two subspecies:[1]
- Agrostula truncatula subsp. durieui (Boiss. & Reut. ex Willk.) P.M.Peterson, Romasch., Soreng & Sylvester – western Pyrenees and northern Portugal
- Agrostula truncatula subsp. truncatula – Pyrenees to east-central Portugal and Morocco
The species was first described as Agrostis truncatula by Filippo Parlatore in 1850. In 2020 Paul M. Peterson et al. renamed it the sole species in the new genus Agrostula based on phylogenetic and morphological evidence. Agrostula is distinguished from Agrostis by leaf blades with continuous pillars of sclerenchyma between the adaxial and abaxial blade surfaces, dorsally-rounded glumes with blunt to truncate and erose to denticulate apices, florets half the length of the glumes, lemmas equal in width and length and widest at or near the apex, broadly truncate apices, awnless anthers irregularly 5 to 7 denticulate to erose and longer than the lemmas, and rugose-papillose caryopses.[3]
References
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- ^ Peterson PM, Sylvester SP, Romaschenko K, Soreng RJ, Barberá P, Quintanar A, Aedo C (2020) A phylogeny of species near Agrostis supporting the recognition of two new genera, Agrostula and Alpagrostis (Poaceae, Pooideae, Agrostidinae) from Europe. PhytoKeys 167: 57-82. https://doi.org/10.3897/phytokeys.167.55171
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