Difference between revisions of "Nekemias"
Sylva Tellur., 87. 1838.
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--><p><i>Ampelopsis</i> Michaux has been shown to be paraphyletic by recent phylogenetic analyses (A. Soejima and Wen J. 2006; Ren H. et al. 2011; Nie Z. L. et al. 2012), with molecular data placing the African Rhoicissus Planchon and the South American <i>Cissus</i> striata Ruiz & Pavon complex within <i>Ampelopsis</i>. To maintain the monophyly of genera of Vitaceae, Wen et al. (2014) separated <i>Ampelopsis</i> into two genera: <i>Ampelopsis</i> and <i>Nekemias</i>. The two genera can be distinguished by their leaf and bud morphology. <i>Nekemias</i> has pinnately compound leaves (versus simple, trifoliolate, or palmately compound leaves in <i>Ampelopsis</i>) and complex axillary buds (versus serial accessory buds).</p> | --><p><i>Ampelopsis</i> Michaux has been shown to be paraphyletic by recent phylogenetic analyses (A. Soejima and Wen J. 2006; Ren H. et al. 2011; Nie Z. L. et al. 2012), with molecular data placing the African Rhoicissus Planchon and the South American <i>Cissus</i> striata Ruiz & Pavon complex within <i>Ampelopsis</i>. To maintain the monophyly of genera of Vitaceae, Wen et al. (2014) separated <i>Ampelopsis</i> into two genera: <i>Ampelopsis</i> and <i>Nekemias</i>. The two genera can be distinguished by their leaf and bud morphology. <i>Nekemias</i> has pinnately compound leaves (versus simple, trifoliolate, or palmately compound leaves in <i>Ampelopsis</i>) and complex axillary buds (versus serial accessory buds).</p> | ||
|tables= | |tables= | ||
| − | |references= | + | |references={{Treatment/Reference |
| + | |id=wen2014a | ||
| + | |text=Wen, J., J. K. Boggan, and Nie Z. L. 2014. Synopsis of Nekemias Raf., a segregate genus from Ampelopsis Michx. (Vitaceae) disjunct between eastern/southeastern Asia and eastern North America, with ten new combinations. PhytoKeys 42: 11–19. | ||
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|family=Vitaceae | |family=Vitaceae | ||
|distribution=North America;West Indies;e;se Asia. | |distribution=North America;West Indies;e;se Asia. | ||
| − | |reference= | + | |reference=wen2014a |
|publication title=Sylva Tellur., | |publication title=Sylva Tellur., | ||
|publication year=1838 | |publication year=1838 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_608.xml |
|genus=Nekemias | |genus=Nekemias | ||
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-->[[Category:Treatment]][[Category:Vitaceae]] | -->[[Category:Treatment]][[Category:Vitaceae]] | ||
Latest revision as of 19:16, 5 November 2020
Lianas, climbing by tendrils, synoecious. Branches: bark adherent; pith white, continuous through nodes; tendrils 2-branched, without adhesive discs. Leaves [1–]2–3-pinnately compound. Inflorescences bisexual, leaf-opposed, corymblike cymes, sometimes compound. Flowers bisexual; calyx saucer-shaped, indistinctly undulate; petals 5, distinct; nectary proximally adnate to base of ovary, distally free, cup-shaped; stamens 5; style conic, ± elongate. Berries purple, blue, or black. Seeds 1–4 per fruit.
Distribution
North America, West Indies, e, se Asia.
Discussion
Species 9 (1 in the flora).
Ampelopsis Michaux has been shown to be paraphyletic by recent phylogenetic analyses (A. Soejima and Wen J. 2006; Ren H. et al. 2011; Nie Z. L. et al. 2012), with molecular data placing the African Rhoicissus Planchon and the South American Cissus striata Ruiz & Pavon complex within Ampelopsis. To maintain the monophyly of genera of Vitaceae, Wen et al. (2014) separated Ampelopsis into two genera: Ampelopsis and Nekemias. The two genera can be distinguished by their leaf and bud morphology. Nekemias has pinnately compound leaves (versus simple, trifoliolate, or palmately compound leaves in Ampelopsis) and complex axillary buds (versus serial accessory buds).