Helictotrichon, or alpine oatgrass,[2] is a genus of perennial flowering plants in the grass family.[3][4][5][6] The genus name comes from the Greek heliktos meaning twisted, and trichos meaning hair, referring to the shape of the awn.[7]
| Helictotrichon | |
|---|---|
| |
| Helictotrichon sempervirens | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Monocots |
| Clade: | Commelinids |
| Order: | Poales |
| Family: | Poaceae |
| Subfamily: | Pooideae |
| Supertribe: | Poodae |
| Tribe: | Poeae |
| Subtribe: | Aveninae |
| Genus: | Helictotrichon Besser |
| Type species | |
| Helictotrichon sempervirens | |
| Synonyms[1] | |
| |
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.[8][9][10]
- Species[1]
- 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 included[1]
Many 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
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Wikimedia Commons has media related to Helictotrichon.
Wikispecies has information related to Helictotrichon.
- ^ a b c Kew World Checklist of Selected Plant Families
- ^ USDA, NRCS (n.d.). "Helictotrichon". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 14 May 2015.
- ^ Besser, Wilibert Swibert Joseph Gottlieb von. 1827. in Schultes, Josef August & Schultes, Julius Hermann. Mantissa in volumen primum [-tertium] :Systematis vegetabilium caroli a Linné 3: 526 in Latin, in observations; page 526 is mislabeled as page 326
- ^ GrassBase entry
- ^ "United States Department of Agriculture Germplasm Resources Information Network (GRIN) entry". Archived from the original on 2015-09-24. Retrieved 2010-06-13.
- ^ Tropicos, Helictotrichon Besser ex Schult. & Schult. f
- ^ Missouri Botanical Garden
- ^ RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 978-1405332965.
- ^ 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”]. 1827.
- ^ Altervisita Flora Italiana, genere Helictotrichon