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Eutrema 
Summary
Eutrema is a genus of flowering plants of the family Brassicaceae, native to the Holarctic. Its best known member is wasabi, Eutrema japonicum. The name comes from the Greek εὐ- (eu-) 'well' et τρῆμα (trêma) 'hole', because of a hole in the septum of the fruit.[3]
| Eutrema | |
|---|---|
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| Eutrema tenue in bloom | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Brassicales |
| Family: | Brassicaceae |
| Genus: | Eutrema R.Br. (1824)[1] |
| Species[2] | |
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45; see text | |
| Synonyms[2] | |
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It is native to subarctic and subalpine regions of Eurasia and North America and to temperate Asia.[2]
Species edit
Species accepted by the Plants of the World Online as of April 2024:[2]
- Eutrema altaicum (C.A.Mey.) Al-Shehbaz & Warwick
- Eutrema angustiseptatum (Al-Shehbaz, T.Y.Cheo, L.L.Lu & G.Yang) Al-Shehbaz
- Eutrema baimashanicum Al-Shehbaz, G.Q.Hao & J.Quan Liu
- Eutrema botschantzevii (D.A.German) Al-Shehbaz & Warwick
- Eutrema boufordii Al-Shehbaz
- Eutrema bulbiferum Y.Xiao & D.K.Tian
- Eutrema cordifolium Turcz. ex Ledeb.
- Eutrema deltoideum (Hook.f. & Thomson) O.E.Schulz
- Eutrema edwardsii R.Br.
- Eutrema fontanum (Maxim.) Al-Shehbaz & Warwick
- Eutrema giganteum G.Q.Hao, Al-Shehbaz & J.Quan Liu
- Eutrema grandiflorum (Al-Shehbaz) Al-Shehbaz & Warwick
- Eutrema halophilum (C.A.Mey.) Al-Shehbaz & Warwick
- Eutrema heterophyllum (W.W.Sm.) H.Hara
- Eutrema himalaicum Hook.f. & Thomson
- Eutrema integrifolium (DC.) Bunge
- Eutrema japonicum (Miq.) Koidz. – Japan; "wasabi"; common condiment
- Eutrema lowndesii (H.Hara) Al-Shehbaz & Warwick
- Eutrema minutissimum (O.E.Schulz) D.A.German & Al-Shehbaz
- Eutrema nanum G.Q.Hao, J.Quan Liu & Al-Shehbaz
- Eutrema nepalense (Al-Shehbaz, Kats.Arai & H.Ohba) Al-Shehbaz, G.Q.Hao & J.Quan Liu
- Eutrema parviflorum Turcz. ex Ledeb.
- Eutrema penlandii Rollins – Colorado, United States; "Mosquito Range mustard"
- Eutrema platypetalum (Schrenk) Al-Shehbaz & Warwick
- Eutrema pseudocordifolium Popov
- Eutrema purii (D.S.Rawat, L.R.Dangwal & R.D.Gaur) Al-Shehbaz, G.Q.Hao & J.Quan Liu
- Eutrema racemosum Al-Shehbaz, G.Q.Hao & J.Quan Liu
- Eutrema renifolium (Boiss. & Hohen.) Al-Shehbaz, G.Q.Hao & J.Quan Liu
- Eutrema salsugineum (Pall.) Al-Shehbaz & Warwick – Central Asia to North America; "saltwater cress"; extreme halophyte, model organism for salt tolerance
- Eutrema scapiflorum (Hook.f. & Thomson) Al-Shehbaz, G.Q.Hao & J.Quan Liu
- Eutrema schulzii Al-Shehbaz & Warwick
- Eutrema sherriffii Al-Shehbaz & Warwick
- Eutrema sinense (Hemsl.) G.Q.Hao, J.Quan Liu & Al-Shehbaz
- Eutrema sulphureum (Al-Shehbaz) Al-Shehbaz
- Eutrema tenue (Miq.) Makino – Japan; "yuriwasabi"; probably paraphyletic: some samples are closer to E. yunnanense, others closer to E. japonicum[4]
- Eutrema thibeticum Franch.
- Eutrema tianshanense G.Q.Hao, J.Quan Liu & Al-Shehbaz
- Eutrema verticillatum (Jeffrey & W.W.Sm.) Al-Shehbaz & Warwick
- Eutrema violifolium (H.Lév.) Al-Shehbaz & Warwick
- Eutrema watsonii (Al-Shehbaz) Al-Shehbaz
- Eutrema wuchengyii (Al-Shehbaz, T.Y.Cheo, L.L.Lu & G.Yang) Al-Shehbaz & Warwick
- Eutrema xingshanense (Z.E.Chao, Z.L.Ning & X.W.Hu) G.Q.Hao, Al-Shehbaz & J.Quan Liu
- Eutrema yungshunense (W.T.Wang) Al-Shehbaz & Warwick
- Eutrema yunnanense Franch.
- Eutrema zhuxiense Q.L.Gan & Xin W.Li
References edit
- ^ Chloris Melvilliana a list of plants collected in Melville Island (latitude 74-75 N., longitude 110-112 W.) in the year 1820; by the officers of the voyage of discovery under the orders of Captain Parry, with characters and descriptions of the new genera and species 9–10, pl. A. 1823.
- ^ a b c d "Eutrema R.Br". Plants of the World Online. Royal Botanic Gardens, Kew. 2022. Retrieved 3 April 2024.
- ^ "Eutrema R. Brown". Flora of North America. 5 November 2020. Retrieved 28 January 2023..
- ^ Haga, Natsuko; Kobayashi, Masaaki; Michiki, Nana; Takano, Tomoyuki; Baba, Fujio; Kobayashi, Keiko; Ohyanagi, Hajime; Ohgane, Jun; Yano, Kentaro; Yamane, Kyoko (7 October 2019). "Complete chloroplast genome sequence and phylogenetic analysis of wasabi (Eutrema japonicum) and its relatives". Scientific Reports. 9 (1). doi:10.1038/s41598-019-49667-z. PMC 6779752.