Alloteropsis semialata
| Black seed grass Cockatoo grass | |
|---|---|
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Poaceae |
| Subfamily: | Panicoideae |
| Genus: | Alloteropsis |
| Species: | A. semialata
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| Binomial name | |
| Alloteropsis semialata | |
| Synonyms[1] | |
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Alloteropsis semialata, known commonly as black seed grass, cockatoo grass, donkersaad gras, swartsaadgras, tweevingergras, and isi quinti, is a perennial grass distributed across much of tropical and subtropical Africa, Asia and Australia, as well as Papuasia and Madagascar.[1][2][3]
The species has two subspecies including A. semialata subsp. semialata, which uses the C4 photosynthetic pathway, and A. semialata subsp. eckloniana, which uses the C3 photosynthetic pathway.[4] As the only plant species known to use both pathways, it is an important model for the study of the evolution of photosynthesis.
The species has been found in a polyploid series with diploid, tetraploid, hexaploid, octoploid and dodecaploid individuals.[5]
References
- ^ a b Kew World Checklist of Selected Plant Families
- ^ Flora of China Vol. 22 Page 519 毛颖草 mao ying cao Alloteropsis semialata (R. Brown) Hitchcock, Contr. U. S. Natl. Herb. 12: 210. 1909.
- ^ Hitchcock, A. S. 1909. Catalogue of the Grasses of Cuba. Contributions from the United States National Herbarium 12(6): 183–258, vii–xi
- ^ Gibbs Russell, G. E. (1983). "The taxonomic position of C3 and C4 Alloteropsis semialata (Poaceae) in southern Africa". Bothalia. 14 (2): 205–213.
- ^ Liebenberg, E. J. L.; A. Fossey. (November 2001). "Comparative cytogenetic investigation of the two subspecies of the grass Alloteropsis semialata (Poaceae)". Botanical Journal of the Linnean Society. 137 (3): 243–248. doi:10.1111/j.1095-8339.2001.tb01120.x.
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