云南吊石苣苔属一新种
A New Species of Lysionotus (Gesneriaceae) from Yunnan
篇首: 保山吊石苣苔新种图1Lysionotus sulphureoides H.W.Li et Y.X.Lu,sp.nov.Fig.1(Sed.Lysionotus,Ser.Heterophylli W.T.Wang)In characteribus calycis haec species L.sulphurei Hand.-Mazz.similis,sed caule glabro,foliis majoribus,oblongo-ellipticis,ad 20cm longis et 6 cm latis,margine supra 1/3 basis serrulatis,nervis lateralibus 8-10,utrinque conspicuis;corollis minoribus 2.5-2.8cm longis differt.Suffrutex.Caulis 30-50cm altus,8-10mm crassus,glabris,angulatus in sicco,nodis tumidis.Folia opposita vel verticillata;laminae herbaceae,oblongo-ellipticae,ad 20cm longae et 6cm latae,apice acutae vel breviter acuminatae,basi cuneatae,margine supra 1/3 basis serrulatae,utrinque glabrae,nervis lateralibus 8-10,utrinque conspicuis;petioli 1.5-2cm longi,glabri. Cymae axillares ad apicem caulis insertae,6-15-florae,pedunculatae,pedunculis 6-10mm longis,glabris;bracteae anguste ovatae vel anguste ellipticae,5-8mm longae,glabrae;pedicelli 6-10mm longi. Calyx 4-7mm longus,extus glabrus,ad basin in 5 lobos erectos lineari-lanceolatos c.2mm latos obtuso terminatos trinervios fissus. Corolla flava vel flavescens,intus 2-purpureo-lineata,tubo ventraliter dilatato ad 6mm lato,labio supero bilobato,labio infero trilobato,lobis ovatis ad 5mm latis. Stamina fertilia 2,glabra,ad 5mm supra basin corollae inserta,filamentis filiformibus,c.4mm longis,arcuato-curvatis,antheris ovoideis,c.2mm latis. Staminodia 2,filiformia,c.2mm longa.Discus cupulifirmis.c.1cm altus,crenatus. Ovarium lineare,c.1cm longum,glabrum;stigma 2-lobatum. Capsula linearis vel lanceolata,1.5-8.5cm longa,glabra. Semina ignota.Yunnan:Bao-Shan(保山),Nan-Kang-Da-Ma-He-Tang(赧亢大马河塘),ad arborem in silva densa,2 200m supra mare,Majus 4,2000,Y.X.Lu(鲁元学) 023(Holotypus! KUN).
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