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Taxonomic Review of Orinus (Poaceae)

固沙草属的分类现状及主要存在的问题



全 文 :!23" !3#
 Vol.23  No.3
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犜犪狓狅狀狅犿犻犮犚犲狏犻犲狑狅犳犗狉犻狀狌狊(犘狅犪犮犲犪犲)
LIUYuping1,2,SUXu1,3,ZHOUYonghui1,LIZhaomeng1,WANGZhezhi2
(1.KeyLaboratoryofPhysicalGeographyandEnvironmentalProcessinQinghaiProvince,ColegeofGeographyandLifeScience,
QinghaiNormalUniversity,Xining,QinghaiProvince810008,China;2.KeyLaboratoryofMedicinalResourcesandNatural
PharmaceuticalChemistry,MinistryofEducation,NationalEngineeringLaboratoryforResourceDevelopingofEndangered
ChineseCrudeDrugsinNorthwestofChina,ColegeofLifeSciences,ShaanxiNormalUniversity,Xi’an,ShaanxiProvince710062,China;
3.StateKeyLaboratoryBreedingBaseKeyLaboratoryofQinghaiProvinceforPlateauCropGermplasm
InnovationandUtilization,QinghaiUniversity,Xining,QinghaiProvince810016,China)
犃犫狊狋狉犪犮狋:犗狉犻狀狌狊 HitchcockisagenuswithimportanteconomicvalueinTridentinae (Poaceae:Er
agrostideae).Alof犗狉犻狀狌狊speciesareforagegrassesforanimalhusbandryandusedasimportantgerm
plasmresourcesforgrassbreedingandimprovementduetothecharacteristicsofenduringcold,drought,
andalkali.Manyunresolvedtaxonomicquestionsarepresentin犗狉犻狀狌狊includingthespeciesdelimitation
andinterspecificphylogeneticrelationships.Ataxonomicreviewofthisgenusisprovidedinordertoaccu
mulatebackgroundknowledgeforfurtherutilizationof犗狉犻狀狌狊.
犓犲狔狑狅狉犱狊:Poaceae;Eragrostideae;Tridentinae;犗狉犻狀狌狊;Taxonomy;Review
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:20140513;IJGH:20141129
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(1980),á,&Äj§,ÊËÌÍñ,âÔ,ÌÍփmV_ž&.,Email:lyp8527970@126.com;:6x×Author
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(犗狉犻狀狌狊犽狅犽狅狀狅狉犻犮犪 (Hao)Tzvel.),
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犫犲狋犻犮狌狊N.X.Zhao)。üNgC,͸.׃ñ
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Table1 Keytothespeciesof犗狉犻狀狌狊
  1.67Luœ“;C^:šJŸ·a],!¥C^·5.0~7.0mm 2  
  1.67LužŸ;C^QŸa]6Ha],!¥C^·4.0~5.5mm 5  
  2.9.·Þ6èÞ¬SI4L;67Lu·8~23cm ·9+,]犗.犾狅狀犵犻犵犾狌犿犻狊  
  2.9.HÞ¬SI4L;67Lu:š·3~9cm 3  
  3.å^:š·ÞC^;C^QŸa];2.‹ð4 ] Ñ/+,]犗.犪犾狋犻犮狌犾犿狌狊  
  3.å^èÞC^;C^Ÿ·a];2.¡Uð4 ] 4  
  4.4B·6.0~8.5mm,:š¯2~44L;/j2.¡UŸ] +,]犗.狋犺狅狉狅犾犱犻犻  
  4.4B·8.0~11.0mm,:š¯5~84L;/j2.ÃUŸ] 0]+,]犗.狋犻犫犲狋犻犮狌狊  
  5.4B·6.5~8.5mm,:š¯2~44L;C^QŸa] &+,]犗.犽狅犽狅狀狅狉犻犮犪  
  5.4B·5.0~6.0mm,<¯1624L;C^QŸHa] st]犗.犪狀狅犿犪犾犪  
454
!3# Ã[):+,]ÐIJa,=QmVîfIÖ¾
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(犗狉犻狀狌狊狋犺狅狉狅犾犱犻犻)[3],ÏÿЍa™I^J。
1959-1968$,mPn[4]、mopjÃq[5]PQTz
velev[6]ø_+,]Э^J_3A`,c+,]
(犗狉犻狀狌狊狋犺狅狉狅犾犱犻犻)、&+,](犗狉犻狀狌狊犽狅犽狅狀狅狉犻
犮犪)jst](犗狉犻狀狌狊犪狀狅犿犪犾犪)。1994$,­T>
j3é™
[8]
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《FloraofChina》8,<8¸ŒCØÙI+
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《Novon》、
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—犗狉犻狀狌狊犪犾狋犻犮狌犾犿狌狊L.B.Cai& T.L.
Zhangj犗狉犻狀狌狊犾狅狀犵犻犵犾狌犿犻狊L.B.Cai&X.Su,
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[1] L˜M,–e,–ŒW.ˆH2+1HI풸Í=%^&^
IÐh·ù
[J].0„ž&.¸,2004,24(9):16911696
[2] ~€.+,]Ð[M]//‰ŠÂ.8¸ž&¯(!10").„
À

-.qÁÂ
,1990:3941
[3] HitchcockAS.Newgrassesfrom Kashmir[J].Journalof
WashingtonAcademyofSciences,1933,23:134136
[4] mPn.8¸mVž&‰!—Ÿ?-[M].„À:-.qÁÂ,
1959:283286
[5] mop,Ãq.¸Í#$]^Q|®JC«TgÃÐ[J].ž
&.¸
,1960,9(1):4875
[6] TzvelevNN.PlantaAsiaeCentraliumVol.4[M].Aedibus:
Nauka,1968:112
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