Primulina pingguoensis,a new species of Gesneriaceae from Guangxi,China
Primulina pingguoensis H.S.Ma & B.Pan,a new species of Primulina Hance,Gesneriaceae from Guangxi Zhuang Autonomous Region,China,is illustrated and described here.The new species morphologically resembles P.carinata Y.G.Wei,F.Wen & H.Z.Lü,but it differs from the latter by lobes narrowly lanceolate-linear,length-width ratio more than 2(rounded-ovate,length-width ratio less than 1.5),8-10 purple stripes from corolla throat to the bottom of corolla tube,the same color with corolla,without honey guides(vs.brown stripes,different color with corolla,2 yellow honey guides inside),leaf blade elliptic to broadly ovate,(6.5-9.5)cm ×(4.5-6.5)cm[(vs.broadly elliptic to ovate,(4.0-5.0)cm X(3.0-4.0)cm],leaf blade base slightly cuneate(vs.rounded),corolla tube tubular,ventrally carinate,(vs.narrowly funnelform,strongly carinate,forming a clear keel),etc.The conservation status of P.pingguoensis is considered as'Critically Endangered'(CR)according to the IUCN red list categories and criteria.
万方数据
维普
