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1、熱帶亞熱帶植物學(xué)報(bào)2014,22(1):34~37JournalofTropicalandSubtropicalBotany中國(guó)蘭科植物研究雜記金偉濤,何疆海2,朱正明2,金效華(1.系統(tǒng)與進(jìn)化植物學(xué)國(guó)家重點(diǎn)實(shí)驗(yàn)室,中國(guó)科學(xué)院植物研究所,北京100093;2.云南綠春自然保護(hù)區(qū)管理局,云南綠春662500)摘要:報(bào)道了中國(guó)蘭科植物一新記錄種互生對(duì)葉蘭[Neottiaalternlia(King&Pant1.)Szlach.】;并對(duì)紫婉石斛(DendrobiumtransparensWal1.ex
2、Lind1.)的形態(tài)特征、生境等進(jìn)行了描述。紫婉石斛與兜唇石斛[Dendrobiumaphyllum(Roxb.)C.E.Fischer]相似,區(qū)別在于唇瓣中央具深紫紅色大斑塊,唇瓣正面具柔毛;互生對(duì)葉蘭是鳥(niǎo)巢蘭屬自養(yǎng)類(lèi)型種類(lèi)中唯一具有兩片互生葉的種類(lèi),極易同該屬其他種類(lèi)區(qū)分。關(guān)鍵詞:新資料;紫婉石斛;互生對(duì)葉蘭;蘭科;中國(guó)doi:10.3969~.issn.1005-3395.2014.01.006AdditionalNotesonOrchidsfromChinaJINWei—tao,HEJi
3、ang.hai,ZHUZheng—ming,JINXiao.huaf1.StateKeyLabofSystematicsandEvolutionBotany,InstituteofBotany,ChineseAcademyofSciences,Beijing100093,China;2.AdministrativeAuthorityofLuchunNaturalReserve,Luchun662500,China)Abstract:Basedonfieldobservationandspecim
4、enexamination,twolittleknownorchids,DendrobiumtransparensWal1.exLind1.a(chǎn)ndNeottiaalternifolia(King&Pant1.)Szlach.,aredocumentedfirsttimeinfieldinChina.DendrobiumtransparensissimilartoDendrobiumaphyllum(Roxb.)C.E.Fischer,butitiseasilydistinguishedfromt
5、helatterbyitsliphavingalargedeeppurplishredpatchalongitsmiddleandpubescentadaxially;Neottiaalternifolia(King&Pant1.)Szlach.isquitedifferentfromotherspeciesofNeottiaGuettardbyhavingtwoaltemateleaves.Keywords:Additionalnote;Dendrobiumtransparens;Neotti
6、aalternifolia;Orchidaceae;ChinaDuringourbotanicaltripstoYunnan,twolittlenodesslightlythickened,internodes2—3cmlong.knownspeciesofOrchidaceaefromChinawereLeavesborneontheyoungstems.ca.7.5—10cmdiscovered.1.3cm,linear-lanceolate,apexoblique,acute,margin
7、entire,basesheathing;leafsheathpalewhitewhenDendrobiumtransparensWal1.exLind1.,Gen.dry,papery.FlowersinpairsfromthenodesoftheoldSp.Orchid.P1.79.1830.————CallistatransparensordeciduOUSstems.Florabractsca.1.2cmx0.4一(Wal1.exLind1.)Kuntze,Revis.Gen.P1.2:
8、655.1891.O.5cm,broadlylanceolate,scarious,apexacuminate.Type:Nepal,Wal1.Cat.2008.(holotype,K—LINDL!;Pedicleandovaryca.2.2cmlong.Sepalsandpetalsisotypes,E!K!).紫婉石斛Fig.1whitetingedwithpalepurplishredordistalpartpaleStem30—60cm,cylindrical,withmanynodes