Carex humida var. orhonensis L. Q. Zhao & Y. Xin 2025, var. nov.
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2025
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| author | Xin, Yue Alatanzhula Zhao, Liqing Gundegmaa, Vanjil Yao, Zhenyu Ri, Xu |
| author_facet | Xin, Yue Alatanzhula Zhao, Liqing Gundegmaa, Vanjil Yao, Zhenyu Ri, Xu |
| contents | <p><b><i>Carex humida</i> Y.L.Chang & Y.L.Yan var. <i>orhonensis</i> L.Q.Zhao & Y.Xin, var. nov.</b></p><p>(Fig. 1)</p><p>TYPE MATERIAL. — <b>Mongolia</b> • Selenge, Orkhontul Sum, river flood plain; 6.VII.2017; <i>L.Q. Zhao MG-092</i>; holo-, HIMC [HIMC0014424]; isolecto-, HIMC [HIMC0014425].</p><p>DIAGNOSIS. — <i>Carex humida</i> var. <i>orhonensis</i> var. nov. is distinguished from <i>Carex humida</i> Y. L. Chang & Y. L. Yang by its densely pubescent lower sheaths, with dense pubescence also present on both its involucral bracts and bract sheaths. The female glumes are occasionally hispidulous on the upper part of the midrib and densely hispidulous on both sides and in the middle of the awn. Additionally, the utricle margins, surfaces, and the sides from the beak orifice to the beak tube are sparsely hairy (Table 1).</p><p>ETYMOLOGY. — The specific epithet refers to Orkhontul Sum in Mongolia, where the species was found.</p><p>DISTRIBUTION AND HABITAT. — <i>Carex humida</i> is distributed in Heilongjiang, Jilin, Inner Mongolia in China, where it typically grows in moist environments such as watersides, swamps, ravines, swampy meadows, and gully meadows. <i>C. humida</i> var. <i>orhonensis</i> var. nov. is located in Selenge province, Mongolia, thriving in river floodplains.</p><p>ADDITIONAL SPECIMENS EXAMINED. — <b>China</b> • Inner Mongolia, Chifeng, Baolin Youqi, Wulanba Forestry, ravine; 19.VII.2011; <i>L.Q. Zhao 1653</i>; HIMC[HIMC 0013253]! <b>•</b> Mirituba, 4.IX.2011, <i>L.Q. Zhao 11-2845</i>; HIMC[HIMC0013732]! • Chaganba, 18.VII.2011; <i>L.Q. Zhao 1319</i>; HIMC[HIMC0013562]!</p> |
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| publishDate | 2025 |
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| spellingShingle | Carex humida var. orhonensis L. Q. Zhao & Y. Xin 2025, var. nov. Xin, Yue Alatanzhula Zhao, Liqing Gundegmaa, Vanjil Yao, Zhenyu Ri, Xu Biodiversity Taxonomy Plantae Tracheophyta Liliopsida Poales Cyperaceae Carex Carex humida Carex humida y.l.chang & y.l.yan var. orhonensis l.q.zhao & y.xin <p><b><i>Carex humida</i> Y.L.Chang & Y.L.Yan var. <i>orhonensis</i> L.Q.Zhao & Y.Xin, var. nov.</b></p><p>(Fig. 1)</p><p>TYPE MATERIAL. — <b>Mongolia</b> • Selenge, Orkhontul Sum, river flood plain; 6.VII.2017; <i>L.Q. Zhao MG-092</i>; holo-, HIMC [HIMC0014424]; isolecto-, HIMC [HIMC0014425].</p><p>DIAGNOSIS. — <i>Carex humida</i> var. <i>orhonensis</i> var. nov. is distinguished from <i>Carex humida</i> Y. L. Chang & Y. L. Yang by its densely pubescent lower sheaths, with dense pubescence also present on both its involucral bracts and bract sheaths. The female glumes are occasionally hispidulous on the upper part of the midrib and densely hispidulous on both sides and in the middle of the awn. Additionally, the utricle margins, surfaces, and the sides from the beak orifice to the beak tube are sparsely hairy (Table 1).</p><p>ETYMOLOGY. — The specific epithet refers to Orkhontul Sum in Mongolia, where the species was found.</p><p>DISTRIBUTION AND HABITAT. — <i>Carex humida</i> is distributed in Heilongjiang, Jilin, Inner Mongolia in China, where it typically grows in moist environments such as watersides, swamps, ravines, swampy meadows, and gully meadows. <i>C. humida</i> var. <i>orhonensis</i> var. nov. is located in Selenge province, Mongolia, thriving in river floodplains.</p><p>ADDITIONAL SPECIMENS EXAMINED. — <b>China</b> • Inner Mongolia, Chifeng, Baolin Youqi, Wulanba Forestry, ravine; 19.VII.2011; <i>L.Q. Zhao 1653</i>; HIMC[HIMC 0013253]! <b>•</b> Mirituba, 4.IX.2011, <i>L.Q. Zhao 11-2845</i>; HIMC[HIMC0013732]! • Chaganba, 18.VII.2011; <i>L.Q. Zhao 1319</i>; HIMC[HIMC0013562]!</p> |
| title | Carex humida var. orhonensis L. Q. Zhao & Y. Xin 2025, var. nov. |
| topic | Biodiversity Taxonomy Plantae Tracheophyta Liliopsida Poales Cyperaceae Carex Carex humida Carex humida y.l.chang & y.l.yan var. orhonensis l.q.zhao & y.xin |
| url | https://doi.org/10.5281/zenodo.16037642 |