Helictotrichon

Helictotrichon
Helictotrichon sempervirens
Scientific classification
Kingdom:	Plantae
(unranked):	Angiosperms
(unranked):	Monocots
(unranked):	Commelinids
Order:	Poales
Family:	Poaceae
Genus:	Helictotrichon Besser
Type species
Helictotrichon sempervirens (Vill.) Pilg.
Synonyms[1]
Heuffelia Schur Stipavena Vierh. Danthorhiza Ten. Elictotrichon Besser ex Andrz. Avenastrum (K.Koch) Opiz Avenochloa Holub Aristavena F.Albers & Butzin Homalotrichon Banfi, Galasso & Bracchi Neoholubia Tzvelev

Helictotrichon (alpine oatgras)^[2] is a genus of perennial flowering plants in the grass family.^[3][4][5][6]

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.^[7][8][9]

Species^[1]

1. Helictotrichon altius (Hitchc.) Ohwi - China
2. Helictotrichon angustum C.E.Hubb. - Kenya, Yemen
3. Helictotrichon arctum Cope - Yemen
4. Helictotrichon barbatum (Nees) Schweick. - South Africa
5. Helictotrichon burmanicum Bor - Myanmar
6. Helictotrichon cantabricum (Lag.) Gervais - Pyrenees in France + Spain
7. Helictotrichon capense Schweick. - South Africa
8. Helictotrichon convolutum (C.Presl) Henrard - Italy, Greece, Balkans, Turkey, Syria, Lebanon
9. Helictotrichon cycladum (Rech.f. & T.C.Scheff.) Rech.f. - Greece incl Crete
10. Helictotrichon decorum (Janka) Henrard - Romania
11. Helictotrichon delavayi (Hack.) Henrard - China
12. Helictotrichon desertorum (Less.) Nevski - Austria, Czech Rep, Ukraine, Russia, Kazakhstan, Kyrgyzstan, Mongolia
13. Helictotrichon devesae Romero Zarco - Spain
14. Helictotrichon dodii (Stapf) Schweick. - South Africa
15. Helictotrichon elongatum (Hochst. ex A.Rich.) C.E.Hubb. - Madagascar; Africa from Chad to Eritrea to Zimbabwe
16. Helictotrichon fedtschenkoi (Hack.) Henrard - Kyrgyzstan, Tajikistan
17. Helictotrichon filifolium (Lag.) Henrard - Spain, Morocco, Algeria
18. Helictotrichon galpinii Schweick. - South Africa, Lesotho
19. Helictotrichon hideoi (Honda) Ohwi - Japan, Taiwan
20. Helictotrichon hirtulum (Steud.) Schweick. - South Africa, Lesotho
21. Helictotrichon hissaricum (Roshev.) Henrard - Tajikistan
22. Helictotrichon imberbe (Nees) Veldkamp - South Africa, Lesotho, Swaziland
23. Helictotrichon junghuhnii (Buse) Henrard - China, Indian Subcontinent, Myanmar, Sumatra, Java, New Guinea
24. Helictotrichon × krischae H.Melzer - Austria
25. Helictotrichon krylovii (Pavlov) Henrard - Yakutia, Magadan
26. Helictotrichon lachnanthum (Hochst. ex A.Rich.) C.E.Hubb. - Bioko, Ethiopia, Tanzania, Kenya, Uganda
27. Helictotrichon leianthum (Keng) Ohwi - China
28. Helictotrichon leoninum (Steud.) Schweick. - South Africa
29. Helictotrichon longifolium (Nees) Schweick. - South Africa, Lesotho
30. Helictotrichon longum (Stapf) Schweick. - South Africa
31. Helictotrichon macrostachyum (Balansa & Durieu) Henrard - Algeria
32. Helictotrichon mannii (Pilg.) C.E.Hubb. - Bioko, Cameroon
33. Helictotrichon milanjianum (Rendle) C.E.Hubb. - Madagascar, East Africa
34. Helictotrichon mongolicum (Roshev.) Henrard - Siberia, Mongolia, Xinjiang, Kazakhstan
35. Helictotrichon mortonianum (Scribn.) Henrard - USA (Colorado, Wyoming, Utah, New Mexico)
36. Helictotrichon murcicum Holub - Spain
37. Helictotrichon namaquense Schweick. - South Africa
38. Helictotrichon natalense (Stapf) Schweick. - South Africa
39. Helictotrichon newtonii (Stapf) C.E.Hubb. - Angola
40. Helictotrichon parlatorei (J.Woods) Pilg. - Alps of France, Italy, Switzerland, Austria, Slovenia
41. Helictotrichon petzense H.Melzer - Alps of Austria, Slovenia
42. Helictotrichon planifolium (Willk.) Holub - Pyrenees in France + Spain
43. Helictotrichon polyneurum (Hook.f.) Henrard - Tamil Nadu
44. Helictotrichon potaninii Tzvelev - Sichuan
45. Helictotrichon quinquesetum (Steud.) Schweick. - South Africa
46. Helictotrichon requienii (Mutel) Henrard - France + Spain
47. Helictotrichon rogerellisii Mashau, Fish & A.E.van Wyk - South Africa
48. Helictotrichon roggeveldense Mashau, Fish & A.E.van Wyk - South Africa
49. Helictotrichon sangilense Krasnob. - Tuva in Siberia
50. Helictotrichon sarracenorum (Gand.) Holub - Spain
51. Helictotrichon schmidii (Hook.f.) Henrard - India, China
52. Helictotrichon sedenense (Clarion ex DC.) Holub - France, Spain, Italy, Morocco
53. Helictotrichon sempervirens (Vill.) Pilg. - Blue oat grass - France, Italy
54. Helictotrichon setaceum (Vill.) Henrard - France, Italy
55. Helictotrichon sumatrense Ohwi - Sumatra
56. Helictotrichon tianschanicum (Roshev.) Henrard - Kyrgyzstan, Tajikistan, Kazakhstan, Xinjiang
57. Helictotrichon tibeticum (Roshev.) Holub - China incl Tibet + Xinjiang
58. Helictotrichon turcomanicum Czopanov - Turkmenistan
59. Helictotrichon umbrosum (Hochst. ex Steud.) C.E.Hubb. - Ethiopia, Sudan, South Sudan, Kenya, Uganda, Tanzania
60. Helictotrichon uniyalii Kandwal & B.K.Gupta - Uttarakhand
61. 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

1. Kew World Checklist of Selected Plant Families
2. Template:PLATNS
3. 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
4. GrassBase entry
5. United States Department of Agriculture Germplasm Resources Information Network (GRIN) entry
6. Tropicos, Helictotrichon Besser ex Schult. & Schult. f
7. RHS A-Z encyclopedia of garden plants. United Kingdom: Dorling Kindersley. 2008. p. 1136. ISBN 1405332964.
8. 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.
9. Altervisita Flora Italiana, genere Helictotrichon