Helictotrichon Explained

Helictotrichon, or alpine oatgrass, is a genus of perennial flowering plants in the grass family.^[1]

Notes and References

1. http://www.kew.org/data/grasses-db/www/gen00277.htm GrassBase entry
2. Web site: United States Department of Agriculture Germplasm Resources Information Network (GRIN) entry . 2010-06-13 . https://web.archive.org/web/20150924121957/http://www.ars-grin.gov/cgi-bin/npgs/html/splist.pl?5486 . 2015-09-24 . dead .
3. http://www.tropicos.org/Name/40022781 Tropicos, Helictotrichon Besser ex Schult. & Schult. f
4. http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=285347&isprofile=0& Missouri Botanical Garden
5. Book: RHS A-Z encyclopedia of garden plants. 2008. Dorling Kindersley. United Kingdom. 978-1405332965. 1136.
6. http://luirig.altervista.org/flora/taxa/floraspecie.php?genere=Helictotrichon Altervisita Flora Italiana, genere Helictotrichon
7. http://apps.kew.org/wcsp/namedetail.do?name_id=418347 Kew World Checklist of Selected Plant Families
8. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=114903 Flora of China Vol. 22 Page 317 异燕麦属 yi yan mai shu Helictotrichon Besser ex Schultes & J. H. Schultes, Mant. 3 (Addit. I ad Mant. Cl. III): 526 [“326”<nowiki>]. 1827. ]^[6]

   Species^[7]

   • Helictotrichon altius (Hitchc.) Ohwi - China
   • Helictotrichon angustum C.E.Hubb. - Kenya, Yemen
   • Helictotrichon arctum Cope - Yemen
   • Helictotrichon barbatum (Nees) Schweick. - South Africa
   • Helictotrichon burmanicum Bor - Myanmar
   • Helictotrichon cantabricum (Lag.) Gervais - Pyrenees in France + Spain
   • Helictotrichon capense Schweick. - South Africa
   • Helictotrichon convolutum (C.Presl) Henrard - Italy, Greece, Balkans, Turkey, Syria, Lebanon
   • Helictotrichon cycladum (Rech.f. & T.C.Scheff.) Rech.f. - Greece incl Crete
   • Helictotrichon decorum (Janka) Henrard - Romania
   • Helictotrichon delavayi (Hack.) Henrard - China
   • Helictotrichon desertorum (Less.) Nevski - Austria, Czech Rep, Ukraine, Russia, Kazakhstan, Kyrgyzstan, Mongolia
   • Helictotrichon devesae Romero Zarco - Spain
   • Helictotrichon dodii (Stapf) Schweick. - South Africa
   • Helictotrichon elongatum (Hochst. ex A.Rich.) C.E.Hubb. - Madagascar; Africa from Chad to Eritrea to Zimbabwe
   • Helictotrichon fedtschenkoi (Hack.) Henrard - Kyrgyzstan, Tajikistan
   • Helictotrichon filifolium (Lag.) Henrard - Spain, Morocco, Algeria
   • Helictotrichon galpinii Schweick. - South Africa, Lesotho
   • Helictotrichon hideoi (Honda) Ohwi - Japan, Taiwan
   • Helictotrichon hirtulum (Steud.) Schweick. - South Africa, Lesotho
   • Helictotrichon hissaricum (Roshev.) Henrard - Tajikistan
   • Helictotrichon imberbe (Nees) Veldkamp - South Africa, Lesotho, Eswatini
   • Helictotrichon junghuhnii (Buse) Henrard - China, Indian Subcontinent, Myanmar, Sumatra, Java, New Guinea
   • Helictotrichon × krischae H.Melzer - Austria
   • Helictotrichon krylovii (Pavlov) Henrard - Yakutia, Magadan
   • Helictotrichon lachnanthum (Hochst. ex A.Rich.) C.E.Hubb. - Bioko, Ethiopia, Tanzania, Kenya, Uganda
   • Helictotrichon leianthum (Keng) Ohwi - China
   • Helictotrichon leoninum (Steud.) Schweick. - South Africa
   • Helictotrichon longifolium (Nees) Schweick. - South Africa, Lesotho
   • Helictotrichon longum (Stapf) Schweick. - South Africa
   • Helictotrichon macrostachyum (Balansa & Durieu) Henrard - Algeria
   • Helictotrichon mannii (Pilg.) C.E.Hubb. - Bioko, Cameroon
   • Helictotrichon milanjianum (Rendle) C.E.Hubb. - Madagascar, East Africa
   • Helictotrichon mongolicum (Roshev.) Henrard - Siberia, Mongolia, Xinjiang, Kazakhstan
   • Helictotrichon mortonianum (Scribn.) Henrard - USA (Colorado, Wyoming, Utah, New Mexico)
   • Helictotrichon murcicum Holub - Spain
   • Helictotrichon namaquense Schweick. - South Africa
   • Helictotrichon natalense (Stapf) Schweick. - South Africa
   • Helictotrichon newtonii (Stapf) C.E.Hubb. - Angola
   • Helictotrichon parlatorei (J.Woods) Pilg. - Alps of France, Italy, Switzerland, Austria, Slovenia
   • Helictotrichon petzense H.Melzer - Alps of Austria, Slovenia
   • Helictotrichon planifolium (Willk.) Holub - Pyrenees in France + Spain
   • Helictotrichon polyneurum (Hook.f.) Henrard - Tamil Nadu
   • Helictotrichon potaninii Tzvelev - Sichuan
   • Helictotrichon quinquesetum (Steud.) Schweick. - South Africa
   • Helictotrichon requienii (Mutel) Henrard - France + Spain
   • Helictotrichon rogerellisii Mashau, Fish & A.E.van Wyk - South Africa
   • Helictotrichon roggeveldense Mashau, Fish & A.E.van Wyk - South Africa
   • Helictotrichon sangilense Krasnob. - Tuva in Siberia
   • Helictotrichon sarracenorum (Gand.) Holub - Spain
   • Helictotrichon schmidii (Hook.f.) Henrard - India, China
   • Helictotrichon sedenense (Clarion ex DC.) Holub - France, Spain, Italy, Morocco
   • Helictotrichon sempervirens (Vill.) Pilg. - Blue oat grass - France, Italy
   • Helictotrichon setaceum (Vill.) Henrard - France, Italy
   • Helictotrichon sumatrense Ohwi - Sumatra
   • Helictotrichon tianschanicum (Roshev.) Henrard - Kyrgyzstan, Tajikistan, Kazakhstan, Xinjiang
   • Helictotrichon tibeticum (Roshev.) Holub - China incl Tibet + Xinjiang
   • Helictotrichon turcomanicum Czopanov - Turkmenistan
   • Helictotrichon umbrosum (Hochst. ex Steud.) C.E.Hubb. - Ethiopia, Sudan, South Sudan, Kenya, Uganda, Tanzania
   • Helictotrichon uniyalii Kandwal & B.K.Gupta - Uttarakhand
   • Helictotrichon yunnanense S.Wang & B.S.Sun - Yunnan

   formerly includedMany species once considered part of Helictotrichon are now regarded as better suited to other genera. A large number are now in Helictochloa with smaller numbers of species in Amphibromus Arrhenatherum Avenula Danthoniastrum Duthiea Tricholemma and Trisetum.

   References

9. https://www.biodiversitylibrary.org/page/799236#page/542/mode/1up Besser, Wilibert Swibert Joseph Gottlieb von. 1827. in Schultes, Josef August & Schultes, Julius Hermann. Mantissa in volumen primum [-tertium<nowiki>] :Systematis vegetabilium caroli a Linné 3: 526] in Latin, in observations; page 526 is mislabeled as page 326^{[1] [2] [3]} The genus name comes from the Greek heliktos meaning twisted, and trichos meaning hair, referring to the shape of the awn.^[4]

   Most of the species are native to Africa and Eurasia with a few species in North America. Helictotrichon sempervirens is widely cultivated as an ornamental.^{[5] [6]}