New Taxa
The newest published taxa and newest record of Gesneriaceae from China before 31 December 2019 (18)

     

No.18 Shu Li, Zi-Bing Xin, Wei-Chuen Chou, Yi Huang, Bo Pan, Stephen Maciejewski & Fang Wen




Five new species of the genus Primulina (Gesneriaceae) from Limestone Areas of Guangxi Zhuangzu Autonomous Region, China

 

PhytoKeys 2019127: 77–91

 



 

Abstract

         Five new species of Primulina (Gesneriaceae) are described and illustrated here, namely P. purpureokylin F. Wen,Yi Huang & W. Chuen Chou, P. persica F. Wen, Yi Huang & W. Chuen Chou, P. cerina F. Wen, Yi Huang & W. Chuen Chou, P. niveolanosa F. Wen, S. Li & W. Chuen Chou and P. leiyyi F. Wen, Z.B. Xin & W. Chuen Chou. The characteristic traits of these species, together with photographs, detailed descriptions, notes on etymology, distribution, and habitat, as well as comparisons with morphologically similar species, are provided.

Original link: https://doi.org/10.3897/phytokeys.127.35445

 

 

 

Figure 1. Primulina purpureokylin F.Wen, Yi Huang & W.Chuen Chou sp. nov. A habit B cyme C frontal view of corolla D lateral view of corolla E dorsal view of corolla F ventral view of corolla G opened corolla for showing stamens, with pistil and calyx. Photographed by Wei-Chuen Chou and Yi Huang, charted by Wen-Hua Xu.

 

 

 

 


Figure 2. Primulina persica F.Wen, Yi Huang & W.Chuen Chou sp. nov. A habitat B habit C plant in flower, cultivated in GCCC D adaxial surface of leaf E abaxial surface of leaf F cyme and flowers G front view of corolla H lateral view of corolla I opened corolla for showing stamens J dorsal view of corolla K adaxial surface of calyx lobes L pistil. Photographed by Fang Wen, charted by Wen-Hua Xu.

 



 


Figure 3. Primulina cerina F.Wen, Yi Huang & W.Chuen Chou sp. nov. A plant in flower, cultivated in GCCC B cyme with flowers C front view of corolla D lateral view of corolla E dorsal view of corolla F opened corolla for showing stamens G pistil and calyx lobes for showing their adaxial surfaces H disc and one of calyx lobes for showing its abaxial surface I pistil without calyx lobes for showing ovary and style and their indumentum. Photographed by Fang Wen, charted by Wen-Hua Xu.

 


 

 


 Figure 4. Primulina niveolanosa F.Wen, S. Li & W.Chuen sp. nov. A plant in flower, cultivated in GCCC B cyme with flowers C close look of cyme and flowers D front view of corolla E lateral view of corolla F lateral view of corolla, bracts and bracteoles G dorsal view of corolla H lateral view of corolla with scale I opened corolla for showing stamens and staminodes J pistil with two calyx lobes for showing ovary and style and their indumentum K adaxial surface of calyx lobes. Photographed by Fang Wen, charted by Wen-Hua Xu.

 





 Figure 5. Primulina leiyyi F.Wen, Z.B. Xin & W.Chuen sp. nov. A habit B cyme and flowers C plant in flower collected in the field D extended branches after growing for one or some years E adaxial and abaxial view of leaf blades F cyme with one flower near top of stem G pubescent hairs on the surface of stem H different cymes with variable numbers of flowers I bracts J lateral view of bud K opened corolla for showing stamens and staminodes L pistil without calyx lobes M adaxial surfaces of calyx lobes N mature capsules. Photographed by Fang Wen, charted by Wen-Hua Xu.

 


 

 


 Figure 6. The morphologically similar congeners of the five new species of Primulina 1 habit 2 flowers. A P. leprosa, the congener of P. purpureokylin B P. gongchengensis, the congener of P. persica C P. renifolia, the congener of P. cerina D P. repanda, the congener of P. niveolanosa E P. longgangensis, the congener of P. leiyyi. Photographed by Fang Wen, charted by Wen-Hua Xu.