This dataset contains the digitized treatments in Plazi based on the original journal article Sheng, Ming-yun, Wu, Yuan-mi, Gu, Jiu-lin, Lin, Hong-qiang, Zhou, Wei, Zheng, Lei, Wu, Zhi-kun (2026): Primula maershanensis (Primulaceae), a new species in Primula sect. Auganthus from Sichuan, China. PhytoKeys 274: 61-71, DOI: 10.3897/phytokeys.274.191386
Abstract
Primula maershanensis J. L. Gu & Z. K. Wu, a new species of Primulaceae from Sichuan, China, is described and illustrated. Morphological evidence supports the placement of P. maershanensis within Primula sect. Auganthus, a section characterized by leaves that are shallowly to deeply lobed and covered with hairs and by a distinctively broad calyx with a flattened base. The new species is distinguished from other species in this section by its short rhizome and nearly fleshy roots; subpurple petioles and scapes; leaf blade suborbicular, wider than long, margin palmately 5–9 - lobed to the middle of the blade; and a bright yellow corolla associated with long-homostylous flowers. Information on the distribution, morphological comparisons with closely related species, and the conservation status of the new species is also provided, along with a key to the known species of Primula sect. Auganthus.
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