Newtonia (plant)

{{Short description|Genus of legumes}}

{{Automatic taxobox

|image = Newtonia hildebrandtii00.jpg

|image_caption = Newtonia hildebrandtii

|taxon = Newtonia (plant)

|authority = Baill.

|subdivision_ranks = Species

|subdivision = 16; see text

|subdivision_ref = [https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:328165-2 Newtonia Baill.] Plants of the World Online. Retrieved 7 September 2023.

}}

Newtonia is a genus of flowering plants in the legume family, Fabaceae. It includes 16 species of trees native to sub-Saharan Africa. It belongs to subfamily Caesalpinioideae{{cite journal | author = The Legume Phylogeny Working Group (LPWG). | year = 2017 | title = A new subfamily classification of the Leguminosae based on a taxonomically comprehensive phylogeny | journal = Taxon | volume = 66 | issue = 1 | pages = 44–77 | doi = 10.12705/661.3| doi-access = free | hdl = 10568/90658 | hdl-access = free }} and the Mimosoid clade or tribe. The genus is known from the early Miocene (21.73 Ma) of Ethiopia based on compressions of its diagnostic, winged seeds. {{Cite journal|url=https://www.journals.uchicago.edu/doi/full/10.1086/663967|doi=10.1086/663967|title=Fossil Newtonia (Fabaceae: Mimoseae) Seeds from the Early Miocene (22–21 Ma) Mush Valley in Ethiopia|year=2012|last1=Pan|first1=Aaron D.|last2=Currano|first2=Ellen D.|last3=Jacobs|first3=Bonnie F.|last4=Feseha|first4=Mulugeta|last5=Tabor|first5=Neil|last6=Herendeen|first6=Patrick S.|journal=International Journal of Plant Sciences|volume=173|issue=3|pages=290–296|s2cid=84215509|url-access=subscription}}

16 extant species are accepted.ILDIS (2005)

• Newtonia aubrevillei (Pellegr.) Keay
• Newtonia buchananii (Baker) G.C.C.Gilbert & Boutique
• Newtonia camerunensis {{small|Villiers}}
• Newtonia devredii {{small|G.C.C.Gilbert & Boutique}}
• Newtonia duncanthomasii {{small|Mackinder & Cheek}}
• Newtonia duparquetiana (Baill.) Keay
• Newtonia elliotii (Harms) Keay
• Newtonia erlangeri {{small|(Harms) Brenan}}
• Newtonia glandulifera (Pellegr.) G.C.C.Gilbert & Boutique
• Newtonia grandifolia Villiers
• Newtonia griffoniana (Baill.) Baker f.
• Newtonia hildebrandtii (Vatke) Torre
• Newtonia leucocarpa (Harms) G.C.C.Gilbert & Boutique
• †Newtonia mushensis {{small|Pan, Currano, Jacobs, Feseha, Tabor et Herendeen, 2012}} - extinct
• Newtonia paucijuga {{small|(Harms) Brenan}}
• Newtonia scandens {{small|Villiers}}
• Newtonia zenkeri Harms