Biology:Ischaemum

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Short description: Genus of grasses

Murainagrass
Ischaemum species W2 IMG 2174.jpg
Ischaemum sp. in Goa, India
Scientific classification e
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Subfamily: Panicoideae
Supertribe: Andropogonodae
Tribe: Andropogoneae
Subtribe: Ischaeminae
Genus: Ischaemum
L.
Type species
Ischaemum muticum
Synonyms[3]
  • Argopogon Mimeur
  • Arthrolophis Chiov.
  • Colladoa Cav.
  • Digastrium (Hack.) A.Camus
  • Ischaemopogon Griseb.
  • Meoschium P.Beauv.
  • Schoenanthus Adans.

Ischaemum is a genus in the tribe Andropogoneae, belonging to the grass family, widespread in tropical and semitropical regions in many countries.[4][5][6][7][8] Many species are known commonly as murainagrass.

In 2022, Shahid Nawaz (an agrostologist, The Blatter Herbarium (BLAT)) described an unusual species in the genus characterised by its dioecious breeding system, it was named as Ischaemum dioecum Landge & R.D. Shinde.[7] This species is endemic to a couple of locations in Western Ghats of Raigad district, Maharashtra, India .[7] The male and female plants are sexually separate individuals and occupy similar ecological niches.[7] This is the only dioecious species in the tribe Andropogoneae.[7]

Species

[3][9][10][11]


Formerly included

[3] numerous species now regarded as better suited to other genera: Andropogon, Andropterum, Apocopis, Arundinella, Bothriochloa, Coelorachis, Crypsis, Echinochloa, Eremochloa, Eulaliopsis, Kerriochloa, Lasiurus, Manisuris, Microstegium, Phacelurus, Pogonatherum, Polytrias, Rhytachne, Rottboellia, Sehima, Stenotaphrum, Thuarea, Triplopogon, Tripsacum, Vossia

References

  1. lectotype designated by Green, Prop. Brit. Bot.: 193. 1929
  2. Tropicos, Ischaemum L
  3. 3.0 3.1 3.2 Kew World Checklist of Selected Plant Families
  4. Linnaeus, Carl von. 1753. Species Plantarum 2: 1049 in Latin
  5. Catasus Guerra, L. 1997. Las gramíneas (Poaceae) de Cuba, I. Fontqueria 46: [i–ii], 1–259
  6. Landge, Shahid Nawaz (30 June 2021). "Ischaemum mistryi (Poaceae: Andropogoneae): A new remarkable species from Sub-Tropical Evergreen Forest, India". Phytotaxa 509 (3): 272–280. doi:10.11646/phytotaxa.509.3.2. https://www.biotaxa.org/Phytotaxa/article/view/phytotaxa.509.3.2. 
  7. 7.0 7.1 7.2 7.3 7.4 Landge, Shahid Nawaz (18 February 2022). "Ischaemum dioecum (Poaceae: Andropogoneae): the most strangest new species from Northern Western Ghats, Maharashtra, India". Phytotaxa 533 (5): 237–255. doi:10.11646/phytotaxa.533.5.1. https://www.biotaxa.org/Phytotaxa/article/view/phytotaxa.533.5.1. 
  8. Landge, Shahid Nawaz; Shinde, Rajendra D. (2023-10-06). "On the identity and distribution of Ischaemum flumineum (Poaceae: Andropogoneae) in India" (in en). Phytotaxa 619 (2): 182–188. doi:10.11646/phytotaxa.619.2.6. ISSN 1179-3163. https://phytotaxa.mapress.com/pt/article/view/phytotaxa.619.2.6. 
  9. The Plant List search for Ischaemum
  10. Pohl, R. W. & G. Davidse. 1994. 158. Ischaemum L. 6: 386–387. In G. Davidse, M. Sousa Sánchez & A.O. Chater (eds.) Flora Mesoamericana. Universidad Nacional Autónoma de México, México, D.F.
  11. Bor, N. L. 1960. Grass. Burma, Ceylon, India & Pakistan i–767. Pergamon Press, Oxford
  12. Gad, H. S. and M. K. Janarthanam. (2007). A new species of Ischaemum (Poaceae) from Goa, India. Kew Bulletin 62(3) 499-501.


Wikidata ☰ Q1304189 entry