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| Pternopetalum wulingense J.F.Ye, X.Y.Yue & Ying Liu. in Yue, Pan, Liu et Ye, 2025. |
Abstract
Pternopetalum wulingense (Apiaceae) is described as a new species from the Wuling Mountains in Guizhou Province and Chongqing Municipality, China. Both phylogenetic analyses and diagnostic morphological traits support its placement within Pternopetalum and confirm its distinction from close relatives. It closely resembles P. trichomanifolium in having finely dissected 3–4-pinnate basal leaves and a preference for moist habitats, but differs in having a rhombic leaf blade outline, ultimate segments of uniform width and oblong-ovoid fruits with both mericarps fully developed.
Key words: Apiaceae, phylogeny, Pternopetalum, taxonomy
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| Pternopetalum wulingense J.F.Ye, X.Y.Yue & Ying Liu. A. Habit; B. Fruit; C. Transaction of mature fruit; D. Flower. Drawn by Xiaotian Pan. |
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| Pternopetalum wulingense J.F.Ye, X.Y.Yue & Ying Liu. A. Microhabitat; B,C. Habit; D. Basal leaf blade; E. Flowers; F. Basal leaf blade adaxially; G. Basal leaf blade abaxially; H. Infructescence; I. Umbellule and fruits. Scale bars: 10 cm (C, F, G); 5 mm (E); 5 cm (H); 1 mm (I). Photograph credits: A, B, D by Jianfei Ye; C, F, G, H, I by Xuyang Yue; E by Kai Xue. |
Pternopetalum wulingense J.F.Ye, X.Y.Yue & Ying Liu, sp. nov.
Etymology. The specific epithet wulingense refers to the Wuling Mountains (武陵山), where the new species was discovered.
Diagnosis. Pternopetalum wulingense differs from P. trichomanifolium by having a rhombic leaf blade outline, ultimate segments of uniform width and oblong-ovoid fruits with both mericarps fully developed (Table 1, Figs 2–4).
Xuyang Yue, Xiaotian Pan, Ying Liu and Jianfei Ye. 2025. Pternopetalum wulingense (Apiaceae), A New Species from the Wuling Mountains, China. PhytoKeys. 263: 61-70. DOI: doi.org/10.3897/phytokeys.263.163711