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| Primulina jiulianshanensis F.Wen & G.L.Xu, in Xu, Liang, Chen, Jing, Zuo, Zuo et Wen. 2023. |
Abstract
Primulina jiulianshanensis F.Wen & G.L.Xu, a new species of Gesneriaceae from Jiulianshan National Nature Reserve of Jiangxi Province, China, is described and illustrated here. Molecular evidence showed it was sister to P. wenii Jian Li & L.J.Yan, while the morphological observation found clear differences between them, petiole, both sides of leaf blades, adaxial surface of the calyx lobes, corolla inside toward the bottom, bract margins covered glandular-pubescent hairs in P. jiulianshanensis (vs. no glandular-pubescent hairs in P. wenii); lateral bracts 4–9 × ca. 2 mm, the central one 2–5 × 1–1.5 mm, adaxially glabrous but sparsely pubescent at apex (vs. lateral bracts 14–16 × 2.5–3.0 mm, the central one 10–12 × 1.3–1.6 mm, all adaxially pubescent); calyx lobes 8–11 × ca. 2 mm, each side with several brown serrate teeth at apex (vs. 14–15 × ca. 2.5 mm, margin entire); filaments and staminodes sparsely yellow glandular-puberulent (vs. white, glabrous).
Keywords: Flora of Jiangxi, Jiulianshan National Nature Reserve, new taxon, Primulina wenii, taxonomy
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| Primulina jiulianshanensis sp. nov. A habitat B population C plant in blooming D habit E adaxial surface of mature leaf blades and petiole F abaxial surface of mature leaf blade and petiole. |
Primulina jiulianshanensis F.Wen & G.L.Xu, sp.nov.
Diagnosis: This new species differs from P. wenii by the combination of the following characteristics: petiole, both sides of leaf blades, adaxial surface of the calyx lobes, corolla inside toward the bottom, bract margins glandular-pubescent (vs. what above-mentioned eglandular-pubescent in P. wenii); lateral bracts 4–9 × ca. 2 mm, the central one 2–5 × 1–1.5 mm, adaxially glabrous but sparsely pubescent at apex (vs. lateral bracts 14–16 × 2.5–3.0 mm, the central one 10–12 × 1.3–1.6 mm, all adaxially pubescent); calyx lobes 8–11 × ca. 2 mm, each side with several brown serrate teeth at apex (vs. 14–15 × ca. 2.5 mm and entire); filaments and staminodes sparsely glandular-puberulent (vs. glabrous). Detailed morphological comparisons with P. wenii are provided in Table 3.
Etymology: The specific epithet ‘jiulianshanensis’ is derived from the type locality, Jiulianshan National Natural Reserve, Jiangxi Province, China.
Vernacular name: 九连山报春苣苔 (Chinese name);
Jǐu Lían Shān Bào Chūn Jù Tái (Chinese pronunciation).
Guo-Liang Xu, Li-Fen Liang, Di-Ya Chen, Zhi-Fang Jing, Xiao-Hai Zuo, Zheng-Yu Zuo and Fang Wen. 2023. Primulina jiulianshanensis, A New Species of Gesneriaceae from Jiangxi Province, China. PhytoKeys. 226: 1-16. DOI: 10.3897/phytokeys.226.96351
