Ulmaceae
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The Ulmaceae (/ʌlˈmeɪsi/) are a family of flowering plants that includes the elms (genus Ulmus), and the zelkovas (genus Zelkova).[4] Members of the family are widely distributed throughout the north temperate zone, and have a scattered distribution elsewhere except for Australasia.[3][5]
The family was formerly sometimes treated to include the hackberries, (Celtis and allies), but an analysis by the Angiosperm Phylogeny Group suggests that these genera are better placed in the related family Cannabaceae.[5] It generally is considered to include ca 7 genera and about 45 species.[6] Some classifications also include the genus Ampelocera.[7]
Description
The family is a group of evergreen or deciduous trees and shrubs with mucilaginous substances in leaf and bark tissue. Leaves are usually alternate on the stems. The leaf blades are simple (not compound), with entire (smooth) or variously toothed margins, and often have an asymmetrical base. The flowers are small and either bisexual or unisexual.[8] The fruit is an indehiscent samara, nut, or drupe.
Uses
Ulmus provides important timber trees mostly for furniture.
Phylogeny
Modern molecular phylogenetics suggest the following relationships:[7][8][9][10][11]
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References
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- ^ Page Module:Citation/CS1/styles.css has no content."Rosales". www.mobot.org. Retrieved 2023-06-16.
- ^ Page Module:Citation/CS1/styles.css has no content.Zhang, Qiu-Yue; Deng, Min; Bouchenak-Khelladi, Yanis; Zhou, Zhe-Kun; Hu, Guang-Wan; Xing, Yao-Wu (2022). "The diversification of the northern temperate woody flora – A case study of the Elm family (Ulmaceae) based on phylogenomic and paleobotanical evidence". Journal of Systematics and Evolution. 60 (4): 728–746. doi:10.1111/jse.12720. ISSN 1759-6831.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Watson, L.; Dallwitz, M. J. (1992). "The Families of Flowering Plants: Ulmaceae Mirb". Retrieved 21 November 2006.
- ^ Page Module:Citation/CS1/styles.css has no content.Denk, T; GW Grimm (February 2005). "Phylogeny and biogeography of Zelkova (Ulmaceae sensu stricto) as inferred from leaf morphology, ITS sequence data and the fossil record". Bot J Linn Soc. 147 (2): 129–157. doi:10.1111/j.1095-8339.2005.00354.x.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Stevens, P (2001). "Angiosperm Phylogeny Website". Missouri Botanical Garden. Retrieved 21 November 2006.
- ^ Page Module:Citation/CS1/styles.css has no content.Christenhusz, M. J. M. & Byng, J. W. (2016). "The number of known plants species in the world and its annual increase". Phytotaxa. 261 (3): 201–217. Bibcode:2016Phytx.261..201C. doi:10.11646/phytotaxa.261.3.1.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Ueda, Kunihiko; K Kosuge; H Tobe (June 1997). "A molecular phylogeny of Celtidaceae and Ulmaceae (Urticales) based on rbcL nucleotide sequences". Journal of Plant Research. 110 (2): 171–178. Bibcode:1997JPlR..110..171U. doi:10.1007/BF02509305. S2CID 38413808.
- ^ a b Page Module:Citation/CS1/styles.css has no content.Sytsma, Kenneth J.; Morawetz, Jeffery; Pires, J. Chris; Nepokroeff, Molly; Conti, Elena; Zjhra, Michelle; Hall, Jocelyn C. & Chase, Mark W. (2002), "Urticalean rosids: Circumscription, rosid ancestry, and phylogenetics based on rbcL, trnL–F, and ndhF sequences", Am J Bot, 89 (9): 1531–1546, doi:10.3732/ajb.89.9.1531, PMID 21665755, S2CID 207690258
- ^ Page Module:Citation/CS1/styles.css has no content.Zavada MS, Kim M (1996). "Phylogenetic analysis of Ulmaceae". Plant Syst Evol. 200 (1): 13–20. Bibcode:1996PSyEv.200...13Z. doi:10.1007/BF00984745. S2CID 44056978.
- ^ Page Module:Citation/CS1/styles.css has no content.Neubig K, Herrera F, Manchester S, Abbott JR (July 7–11, 2012). Fossils, biogeography and dates in an expanded phylogeny of Ulmaceae. Botany 2012: Annual Meeting of the Botanical Society of America in Columbus, Ohio, USA. St. Louis, Missouri: Botanical Society of America. Abstract 316.
- ^ Page Module:Citation/CS1/styles.css has no content.Sun M; Naeem R; Su J-X; Cao Z-Y; J. Burleigh G; Soltis PS; Soltis DE; Chen Z-D (2016). "Phylogeny of the Rosidae: A dense taxon sampling analysis". Journal of Systematics and Evolution. 54 (4): 363–391. Bibcode:2016JSyEv..54..363S. doi:10.1111/jse.12211.
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