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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Cladus: Commelinids
Ordo: Poales

Familia: Poaceae
Subfamilia: Panicoideae
Tribus: Andropogoneae
Subtribus: Anthistiriinae
Genus: Heteropogon
Species: H. contortus – H. fischerianus – H. melanocarpus – H. ritchiei – H. triticeus
Name

Heteropogon Pers., Syn. Pl. 2: 533 (1807)
Type species: Heteropogon contortus (L.) P.Beauv. ex Roem. & Schult., Syst. Veg. 2: 836 (1817)

Synonyms

Heterotypic
Spirotheros Raf., Bull. Bot. (Geneva) 1: 221 (1830)

References

Persoon, C.H. (1807) Synopsis Plantarum 2: 533.
Govaerts, R. et al. 2013. Heteropogon in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2013 Dec. 2. Reference page.
Simon, B.K., Clayton, W.D., Harman, K.T., Vorontsova, M., Brake, I., Healy, D. & Alfonso, Y. 2013. GrassWorld, Heteropogon. Published on the internet. Accessed: 2013 Dec. 2.
Tropicos.org 2013. Heteropogon. Missouri Botanical Garden. Published on the internet. Accessed: 2013 Dec. 2.
International Plant Names Index. 2013. Heteropogon. Published online. Accessed: 2 Dec. 2013.

Heteropogon is a genus of annual and perennial plants in the grass family known generally as tangleheads, widespread primarily in tropical and subtropical regions.[5]

Tangleheads are erect tussock grasses with paired spikelets. Lower pairs are equal in size (homogamous units), and upper pairs include one awned bisexual spikelet and one awnless sterile spikelet (heterogamous units).[6][7][8]

The name of the genus is derived from the Greek words έτερος (éteros), meaning "different," and πώγων (pogon), meaning "beard."[9]

Species[4][10][11]

Heteropogon contortus (L.) P.Beauv. ex Roem. & Schult. - Africa, southern Asia, southwestern Europe (Spain, France, Italy, Switzerland, Balkans), Mesoamerica, West Indies, tropical South America, southern United States (CA AZ NM TX FL HI), various oceanic islands
Heteropogon fischerianus Bor - Tamil Nadu
Heteropogon melanocarpus (Elliott) Benth. - Mesoamerica, West Indies, tropical South America, southern United States (AZ TX AL FL GA NC SC), Africa, Madagascar, Yunnan, India, Oman
Heteropogon polystachyus (Roxb.) Schult. - Tamil Nadu
Heteropogon ritchiei (Hook.f.) Blatt. & McCann - India, Myanmar
Heteropogon triticeus (R.Br.) Stapf ex Craib - Southeast Asia, New Guinea, Queensland, Hainan, India, Sri Lanka

Formerly included[4]

see Agenium Dichanthium Diectomis Diheteropogon Elymandra Hyparrhenia Parahyparrhenia Trachypogon

Heteropogon androphilus - Elymandra androphila
Heteropogon arrhenobasis - Hyparrhenia arrhenobasis
Heteropogon bellariensis - Parahyparrhenia bellariensis
Heteropogon buchneri - Diheteropogon filifolius
Heteropogon concinnus - Dichanthium caricosum
Heteropogon filifolius - Diheteropogon filifolius
Heteropogon grandiflorus - Diheteropogon filifolius
Heteropogon hagerupii - Diheteropogon hagerupii
Heteropogon hirtus - Hyparrhenia hirta
Heteropogon hochstetteri - Diectomis fastigiata
Heteropogon leptocladus - Agenium leptocladum
Heteropogon megapotamicus - Trachypogon spicatus
Heteropogon oliganthus - Dichanthium oliganthum
Heteropogon pubescens - Hyparrhenia hirta
Heteropogon secundus - Trachypogon spicatus
Heteropogon stipoides - Trachypogon spicatus
Heteropogon tenellus - Dichanthium caricosum
Heteropogon tenuiculus - Dichanthium sericeum
Heteropogon truncatus - Trachypogon spicatus
Heteropogon villosus - Agenium villosum

References

"Genus: Heteropogon Pers". Germplasm Resources Information Network. United States Department of Agriculture. 1999-03-09. Retrieved 2011-02-24.
lectotype designated by Nash, North American Flora 17: 127 (1912)
Tropicos, Heteropogon Pers.
Kew World Checklist of Selected Plant Families
Persoon, Christiaan Hendrik 1807. Synopsis Plantarum 2: 533 in Latin
Jepson Manual Treatment
USDA Plants Profile
Grass Manual Treatment Archived 2011-06-11 at the Wayback Machine
Quattrocchi, Umberto (2006). CRC World Dictionary of Grasses. II E-O. CRC Press. p. 1036. ISBN 978-0-8493-1303-5.
The Plant List search for Heteropogon
"GRIN Species Records of Heteropogon". Germplasm Resources Information Network. United States Department of Agriculture. Archived from the original on 2009-05-08. Retrieved 2011-02-24.

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