Heteropogon (plant)

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For the genus of flies, see Heteropogon (fly).

tangleheads
Heteropogon contortus
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Monocots
(unranked):
Commelinids
Order:
Poales
Family:
Poaceae
Subfamily:
Panicoideae
Tribe:
Andropogoneae
Genus:
Heteropogon

Type species
Heteropogon glaber
(syn of H. contortus)
Synonyms[1][4]

Spirotheros Raf.

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]
  1. 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
  2. Heteropogon fischerianus Bor - Tamil Nadu
  3. 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
  4. Heteropogon polystachyus (Roxb.) Schult. - Tamil Nadu
  5. Heteropogon ritchiei (Hook.f.) Blatt. & McCann - India, Myanmar
  6. 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

2

Gallery

  • Heteropogon sp.
    Heteropogon sp.
  • Heteropogon contortus
    Heteropogon contortus
  • Heteropogon contortus
    Heteropogon contortus
  • Heteropogon triticeus
    Heteropogon triticeus

References

  1. ^ a b "Genus: Heteropogon Pers". Germplasm Resources Information Network. United States Department of Agriculture. 1999-03-09. Retrieved 2011-02-24.
  2. ^ lectotype designated by Nash, North American Flora 17: 127 (1912)
  3. ^ Tropicos, Heteropogon Pers.
  4. ^ a b c Kew World Checklist of Selected Plant Families
  5. ^ Persoon, Christiaan Hendrik 1807. Synopsis Plantarum 2: 533 in Latin
  6. ^ Jepson Manual Treatment
  7. ^ USDA Plants Profile
  8. ^ Grass Manual Treatment
  9. ^ Quattrocchi, Umberto (2006). CRC World Dictionary of Grasses. Vol. II E-O. CRC Press. p. 1036. ISBN 978-0-8493-1303-5.
  10. ^ The Plant List search for Heteropogon
  11. ^ "GRIN Species Records of Heteropogon". Germplasm Resources Information Network. United States Department of Agriculture. Retrieved 2011-02-24.

External links

Wikimedia Commons has media related to Heteropogon.
Wikispecies has information related to Heteropogon (plant).


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