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 differs 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.

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.

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.

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.

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