贵州兰科植物新分布记录(Ⅲ)

中国兰科植物三个新记录种金效华,陈心启(中国科学院植物研究所,北京100093)摘要:报道了中国兰科植物的三个新记录种,裂唇卷瓣兰(Bulbophyllum picturatum),长柄虾脊兰(Calan-the allizettei)和绿花毛兰(Eria lanigera)。

裂唇卷瓣兰的中萼片全缘前部具一粒状附属物,唇瓣基部两侧具耳。

长柄虾脊兰的中裂片非常小并具三条褶片。

黄花毛兰的花黄绿色,唇瓣不裂。

关键词:裂唇卷瓣兰;长柄虾脊兰;绿花毛兰;兰科;新记录;中国中图分类号:Q949文献标识码:A文章编号:0253-2700(2007)02-169-02 Three New Recorded Species of Orchidaceae from ChinaJIN Xiao-Hua**,CHEN Sing-Chi(Institute of Botany,Chinese Academy of Sciences,Beijing100093,China)Abstract:Bulbophyllum picturatum,Calanthe allizettei and Eria lanigera,three Chinese new recorded species of Orchi-daceae are reported.B.picturatum is characterized by its entire dorsal sepal with a seta and lip with two auricles at base. Calanthe allizettei can be easily distinguished from its relatives by its lip with three lamella and small midlobe.Eria lanig-era is characterized by its entire lip and yellowish green flowers.Key words:Bulbophyllum picturatum;Calanthe allizettei;Eria lanigera;Orchidaceae;New record;ChinaDuring our fieldwork in southern Yunnan from March to April2006,three new recorded Orchidaceae species from China were discovered and here reported.Bulbophyllum picturatum(Lodd.)Reichenb.f.in Walp.Ann.6:262.1861,Seidenf.in Dansk Bot.Arkiv. Bind.33.Nr.3.1979.———Cirrhopetalum picturatum Lodd. in Bot.Reg.Misc.49.1840.裂唇卷瓣兰(新拟) China.Yunnan(云南):Menglian(孟连),alt.1100 m,epiphytic on trunks in limestone areas forest,2006-03-13, X.H.Jin8087(PE).Epiphytic on trunk.Rhizome creeping,3mm in diam.Ro-ots fro m nodes with pseudobulbs.Pseudobulbs narrow conical,3 -5cm long, 1.5cm in diam.,2-3cm far away each other. Leaf one on each pseudobulbs,linear,25cm long,3cm wide. Umbellate inflorescences arising from base of pseudobulbs,15cm long,infertile sheathed bracts2-3,fertile bracts lanceolate,7 mm long,1.5mm wide,5-10-flowered.Ovary with pedicel1.6 cm long.Flowers yellow,purple dotted.Dorsal sepal concave, entire,tip with a7mm long seta,ovate,6mm long,6mm wide,densely purple teral sepals long lanceolate,3.5 cm long,0.6cm wide,acute,twisted,adnate at upper part about2cm,apart only at base and apex.Petals ovate,densely purple potted,dentate.Lip lingulate,movable,with two round-ed auricles at base,5mm long, 1.5mm wide,fleshy.Column yellow,3mm long,enlarged at base.Anther cap dentate in front,pale purple.Calanthe allizettei Gagnep.in Bull.Mus.Hist.Nat.Par-is,Ser.2,xxii.508.1950.Seidenf.in Opera Bot.141:177. 1992.长柄虾脊兰(新拟)China.Yunnan(云南):Malipo(麻栗坡),alt.1684 m,terrestrial in limestone areas forest,2006-04-10,X.H. Jin8139(PE).Terrestrial.Pseudobulb conical,1cm tall,1cm in diam. Leaves basal,2-4on each pseudobulb,full developed at anthe-sis,45cm long,formed the pseudo-stem about20cm long;peti-ole25cm long;blade lanceolate,20cm long,6cm wide,acu-minate.Inflorescence10cm long,3-10-flowered.Bracts trian-gular,acuminate,2-4mm long,1mm wide.Pedicel with ovary云南植物研究2007,29(2):169～170Acta Botanica YunnanicaAuthor for correspondenceReceived date:2006-06-13,Accepted date:2006-09-19作者简介:金效华(1975-)男,博士,主要从事兰科植物的分类研究。