Abstract
Primulinascutellifolia is described as a new species from Khanh Hoa Province, southern Central Vietnam. It is distinct in the genus in having scutellate leaves that make it a highly potential ornamental plant. The new species looks like P.annamensis in general shapes, sizes and colours of habit, inflorescence, flower, and leaf but is distinguishable by adaxially glabrous and abaxially strigose leaves with serrate margins, scutellate leaf blade and appressed downwards tomentose petiole, sparsely glandular hairs on apical 1/2 of the gynoecium and trapeziform one-lipped stigma with slightly emarginated apex.
Highlights
Primulina Hance (Gesneriaceae) is known to have more than 220 species, with the center of species diversity in south and southwest China and North Vietnam (Weber et al 2011; Möller and Clark 2013; Möller et al 2016; Xu et al 2017; Li et al 2019; Möller 2019; IPNI 2021)
Prior to this paper, the total number of Primulina species known in Vietnam is 23
During our ongoing study of Gesneriaceae in southern Vietnam, we have carefully examined the plant and found that its scutellate leaves are distinct in the genus, and we describe it here as a new species
Summary
Primulina Hance (Gesneriaceae) is known to have more than 220 species, with the center of species diversity in south and southwest China and North Vietnam (Weber et al 2011; Möller and Clark 2013; Möller et al 2016; Xu et al 2017; Li et al 2019; Möller 2019; IPNI 2021). Prior to this paper, the total number of Primulina species known in Vietnam is 23.
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