New Taxa
The newest published taxa and newest record of Gesneriaceae from China before 31 December 2017 (23)

 

No.23  HU-SHENG MA, BO PAN& WEI-BIN XU


Primulina lutescens sp. nov. (Gesneriaceae) from southern Guangxi, China


Nordic Journal of Botany

DOI: 10.1111/njb.01487

 


ABSTRACT

Primulina lutescens B. Pan & H. S. Ma, a new species of Gesneriaceae from Guangxi Zhuangzu Autonomous Region,China, is illustrated and described. The new species morphologically resembles Primulina carinata Y. G. Wei, F. Wen &H. Z. Lü, but it diers in leaf, floral characteristics and flowering time. The conservation status of P. lutescens is asessed as‘Endangered’ (EN) according to the IUCN red list categories and criteria.



The newest published taxa and newest record of Gesneriaceae from China before 31 December 2017 (23)

Figure 1.  Primulina lutescens sp. nov. (A) habit, (B) corolla opened with stamens and staminodes, (C) enlarged abaxial lateral veins, (D)calyx and pistil, (E) calyx anatomy, (F) bracts. Drawn from holotype by W. H. Lin.





The newest published taxa and newest record of Gesneriaceae from China before 31 December 2017 (23)

Figure 2.  Primulina lutescens sp. nov. (A) cymes, (B) corolla opened with stamens and staminodes, (C) pistil and disc, (D) side face view ofcorolla and calyx, (E) face view of corolla, (F) cymes and bracts. Photo by Hu-Sheng Ma.





The newest published taxa and newest record of Gesneriaceae from China before 31 December 2017 (23)

Figure 3.  Primulina lutescens sp. nov. (A) habit, (B) adaxial and abaxial leaf. P. carinata: (C) habit, (D) adaxial and abaxial leaf. Primulinaparvifolia: (E) habit, (F) adaxial and abaxial. Photo by Hu-Sheng Ma.


 



The newest published taxa and newest record of Gesneriaceae from China before 31 December 2017 (23)

Figure 4.  Distribution of P. lutescens sp. nov., P. carinata and P. parvifolia in China. Drawn by Hu-Sheng Ma.