Primulina pingguoensis, a new species of Gesneriaceae from Guangxi, China

Subjects: Biology >> Botany >> Applied botany submitted time 2023-12-24 Cooperative journals: 《广西植物》

MA Husheng LU Zhaocen XU Weibin PAN Bo

Abstract： Primulina pingguoensis H.S. Ma & B. Pan, a new species of Gesneriaceae from Guangxi Zhuang Autonomous Region, China, is illustrated and described here. The new species morphologically resembles Primulina carinata Y.G. Wei, F. Wen & H.Z. Lü, but it differs from the latter by lobes narrowly lanceolate-linear，length-width ratio >2 (rounded-ovate，length-width ratio <1.5), 8–10 purple stripes from corolla throat to the bottom of corolla tube, without honey guides (vs. brown stripes, 2 yellow honey guides inside, leaf blade elliptic to broadly ovate, 6.5–9.5 × 4.5–6.5 cm (vs. broadly elliptic to ovate, 4.0–5.0 × 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.

 Hits 536  Downloads 86  Comment