Dianyuea gen. nov. (Salicaceae: Scyphostegioideae) from southwestern China |
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| Authors: | Ce Shang Shuai Liao Yong‐Jie Guo Zhi‐Xiang Zhang |
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| Institution: | 1. http://orcid.org/0000‐0003‐1425‐9403;2. Laboratory of Systematic Evolution and Biogeography of Woody Plants, College of Nature Conservation, Beijing Forestry Univ, Beijing, China;3. http://orcid.org/0000‐0002‐3876‐8002;4. Shanghai Chenshan Plant Science Research Center, Chinese Academy of Sciences, Shanghai Chenshan Botanical Garden, Shanghai, China;5. Germplasm Bank of Wild Species in Southwest of China, Kunming Inst. of Botany, Chinese Academy of Sciences, Kunming, China;6. http://orcid.org/0000‐0002‐1161‐5065 |
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| Abstract: | Dianyuea C. Shang, S. Liao & Z. X. Zhang, a new monotypic genus of Salicaceae based on Flacourtia turbinata H. J. Dong & H. Peng, is described and illustrated. Morphologically, Dianyuea differs from Flacourtia Comm. ex L'Hér. by having six connate stamens, basal placentation and lobed seed appendages. All those features indicate that Dianyuea is allied with Scyphostegia Stapf. A molecular phylogenetic analysis using plastid trnL‐F, matK, and rbcL sequence data for representatives of 16 genera in Salicaceae s.l. shows that Dianyuea is sister to Scyphostegia. The new combination Dianyuea turbinata (H. J. Dong & H. Peng) C. Shang, S. Liao & Z. X. Zhang is proposed. |
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