dcsimg

Description

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Perennials. Inflorescence a contracted, often interrupted, panicle. Spikelets 1-flowered, disarticulating above the glumes; floret bisexual, exceeding the glumes. Glumes persistent, 3-5-nerved, acute or acuminate, awned or awnless. Lemma subcylindric, dorsally flattened, 3-nerved, becoming indurate at maturity, without an articulation; basal callus densely barbate; awns 3, glabrous, scabrid, rigid, spirally contorted at base when mature.
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Mark Hyde, Bart Wursten and Petra Ballings
bibliographic citation
Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Sartidia Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/genus.php?genus_id=148
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Mark Hyde
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Bart Wursten
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Petra Ballings
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Flora of Zimbabwe

Sartidia

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Sartidia is a genus of Southern African and Madagascan plants in the grass family. It was split from Aristida in 1963 by South African botanist Bernard de Winter[1] and contains six known species, of which Sartidia perrieri is considered extinct.[2] Their natural habitats are warm, semi-arid savanna and dry forest at altitudes of 800–2,000 m (2,600–6,600 ft) where rainfall ranges from 250 to 1,500 mm per year.[2] They are perennial grasses with inflorescence in a panicle.[3]

Other than most species in subfamily Aristidoideae, Sartidia species use the ancestral C3 photosynthetic pathway. Phylogenetic analyses suggest that Sartidia is the sister genus of Stipagrostis, an important C4 genus from Africa and Southwest Asia.[4]

Species[2][5]

References

  1. ^ a b De Winter, B. (1963). "Notes on the genus Aristida". Kirkia. 3: 132–137. JSTOR 23500816.
  2. ^ a b c Vorontsova, M.S.; Haevermans, T.; Haevermans, A.; Razanatsoa, J.; Lundgren, M.R.; Besnard, G. (2015). "The Genus Sartidia (Poaceae: Aristidoideae) in Madagascar". Systematic Botany. 40 (2): 448–453. doi:10.1600/036364415X688367. ISSN 0363-6445. S2CID 83684378.
  3. ^ RBG Kew: GrassBase - Sartidia description
  4. ^ Besnard, G.; Christin, P.-A.; Malé, P.-J.G.; Lhuillier, E.; Lauzeral, C.; Coissac, E.; Vorontsova, M.S. (2014). "From museums to genomics: old herbarium specimens shed light on a C3 to C4 transition". Journal of Experimental Botany. 65 (22): 6711–6721. doi:10.1093/jxb/eru395. ISSN 0022-0957. PMID 25258360. open access
  5. ^ Tropicos – Sartidia De Winter

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Sartidia: Brief Summary

provided by wikipedia EN

Sartidia is a genus of Southern African and Madagascan plants in the grass family. It was split from Aristida in 1963 by South African botanist Bernard de Winter and contains six known species, of which Sartidia perrieri is considered extinct. Their natural habitats are warm, semi-arid savanna and dry forest at altitudes of 800–2,000 m (2,600–6,600 ft) where rainfall ranges from 250 to 1,500 mm per year. They are perennial grasses with inflorescence in a panicle.

Other than most species in subfamily Aristidoideae, Sartidia species use the ancestral C3 photosynthetic pathway. Phylogenetic analyses suggest that Sartidia is the sister genus of Stipagrostis, an important C4 genus from Africa and Southwest Asia.

Species Sartidia angolensis (C.E.Hubb.) De Winter – Angola, Zambia, Zimbabwe, Namibia Sartidia dewinteri Munday & Fish – Mpumalanga (South Africa), Eswatini Sartidia isaloensis Voronts., Razanatsoa & Besnard – Madagascar Sartidia jucunda (Schweick.) De Winter – Limpopo (South Africa) Sartidia perrieri (A.Camus) Bourreil – Madagascar (extinct) Sartidia vanderystii (De Wild.) De Winter – Democratic Republic of the Congo
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