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Petrocosmea pengzhouensis (Gesneriaceae), a new species from Sichuan Province, China.

Xinyi Zheng | Tianmeng Qu | Xinyu Chen | Yanru Zhang | Jin Wang | Li Li | Wen Wu | Yujie Wang | Bo Li | Ke Huang | Zhixi Fu
PhytoKeys | 2025

A new species of Gesneriaceae, Petrocosmea pengzhouensis K.Huang & Z.X.Fu, sp. nov., from the Feilaifeng Scenic Area of Longmen Mountain National Geological Park (Pengzhou, Chengdu City, Sichuan Province, China), is described and illustrated. Morphological and phylogenetic analyses provide robust evidence for its recognition as a new species. While morphologically most similar to P. duclouxii Craib, phylogenetic reconstructions reveal its closest affinities with P. duclouxii and P. intraglabra (W. T. Wang) Z. J. Qiu. The new species is morphologically distinguished from P. duclouxii by a suite of diagnostic characters: leaf shape (ovate to oblique-ovate vs. ovate to nearly orbicular), corolla throat (spotless vs. bearing two deep purple spots), and filament pubescence (translucent-puberulent vs. rust-brown puberulent). A distribution map and a comparative morphological table with P. duclouxii, P. intraglabra, and P. hexiensis S. Z. Zhang & Z. Y. Liu, and a preliminary conservation assessment following IUCN criteria are provided.

Pubmed ID: 40948883

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Software package for graphical visualization of organellar genomes. Converts annotations in GenBank format into graphical maps. Used to create visual representations of circular and linear annotated genome sequences provided as GenBank files or accession numbers.

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