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Figure 9 from: Fei W-Q, Yuan Q, Yang Q-E (2023) Ranunculus luanchuanensis (Ranunculaceae), a new species from Henan, China. PhytoKeys 220: 17-29. https://doi.org/10.3897/phytokeys.220.96799

Fei, Wen-Qun ; Yuan, Qiong ; Yang, Qin-Er

Pensoft Publishers ; 2023

In: PhytoKeys Vol. 220 ( 2023-02-22), p. 17-29

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In: PhytoKeys, Pensoft Publishers, Vol. 220 ( 2023-02-22), p. 17-29

Abstract: Ranunculus luanchuanensis (Ranunculaceae), a new species from Laojun Shan in Luanchuan county, Henan province, central China, is here illustrated and described. It is morphologically similar to R. limprichtii in having 3-lobed and subreniform basal leaves, 3-lobed cauline leaves, and small flowers with reflexed and caducous sepals, but differs by having slender and basally slightly thickened roots (vs. fusiform), prostrate stems (vs. erect), obliquely ovoid and glabrous carpels and achenes (vs. widely ovoid and puberulous), longer styles in the carpels (ca. 1.2 mm vs. 0.6–0.8 mm) and achenes (ca. 1.8 mm vs. 0.6–0.8 mm), and glabrous receptacles (vs. sparsely puberulous). Ranunculus luanchuanensis , currently known only from its type locality, is geographically isolated from R. limprichtii , a species widely distributed in Gansu, Qinghai, Sichuan, Xizang (Tibet) and Yunnan, China. The distribution map of this new species and its putative closest ally, R. limprichtii , is also provided.

Type of Medium: Online Resource

ISSN: 1314-2003 , 1314-2011

URL: Article