Dombeya

Dombeya is a flowering plant genus. Traditionally included in the family Sterculiaceae, it is included in the expanded Malvaceae in the APG and most subsequent systematics. These plants are known by a number of vernacular names which sometimes, misleadingly, allude to the superficial similarity of flowering Dombeya to pears or hydrangeas (which are unrelated). Therefore, the genus as a whole is often simply called dombeyas. The generic name commemorates Joseph Dombey (1742–1794), a French botanist and explorer in South America, involved in the notorious "Dombey affair", embroiling scientists and governments of France, Spain, and Britain for more than two years.

Dombeya
Pink-ball (Dombeya wallichii) inflorescence
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malvales
Family: Malvaceae
Subfamily: Dombeyoideae
Genus: Dombeya
Cav.
Species

Several, see text

Synonyms

Acropetalum A.Juss.
Assonia Cav.
Astrapaea Lindl.
Cavanilla J.F.Gmel. (non Vell.: preoccupied)
Hilsenbergia Boj.
Koenigia Comm. ex Juss. (non L.: preoccupied)
Leeuwenhoeckia E.Mey. ex Endl.
Stewartia Comm. ex Adans. (non L.: preoccupied)
Vahlia Dahl
Walcuffa J.F.Gmel.
Walkuffa Bruce ex Steud.
Xeropetalum Delile

These plants grow chiefly throughout Africa and Madagascar. Formerly believed to hold only about 80 species, in the present delimitation, Dombeya is one of the most speciose Malvaceae genera, containing some 255 species. Most have been moved here from distinct genera, which are now considered junior synonyms.[1] Some of these might warrant recognition as subgenera, to show the evolutionary and phylogenetic patterns of the numerous dombeyas more clearly.[2] In addition to the synonyms listed here, Astiria is suspected to be a rather distinct derivative of Dombeya and would thus have to be included in the present genus.[2] This requires renaming of species, as A. rosea conflicts with D. rosea, a junior synonym of D. burgessiae. Furthermore, several species have been moved here from related genera that are still valid, namely Pentapetes.[1]

Dombeya of L'Héritier de Brutelle is a synonym of Tourrettia (Bignoniaceae). Dombeya of Lamarck is a synonym of Araucaria.

Selected species
Dombeya elegans
Dombeya pilosa flowers
Dombeya burgessiae
  • Dombeya acerifolia Baker (= D. acerifolia var. typica Hochr.)
  • Dombeya acuminatissima Hochr.
  • Dombeya acutangula Cav. – Bois Bete, mahot tantan
  • Dombeya aethiopica Gilli
  • Dombeya albisquama Arènes
  • Dombeya albotomentosa Arènes
  • Dombeya alleizettei Arènes
  • Dombeya amaniensis Engl.
  • Dombeya ambalabeensis Arènes
  • Dombeya ambatosoratrensis Arènes
  • Dombeya ambohitrensis Arènes
  • Dombeya ambongensis Arènes
  • Dombeya ambositrensis Arènes
  • Dombeya amplifolia Arènes
  • Dombeya anakaensis Arènes
  • Dombeya analavelonae Arènes
  • Dombeya andapensis Arènes
  • Dombeya andrahomanensis Arènes
  • Dombeya angustipetala Arènes
  • Dombeya ankarafantsikae Arènes
  • Dombeya ankaratrensis Arènes
  • Dombeya ankazobeensis Arènes
  • Dombeya anonyensis Arènes
  • Dombeya antsianakensis Baill.
  • Dombeya apikyensis Arènes
  • Dombeya aquifoliopsis Hochr.
  • Dombeya australis Scott-Elliot
  • Dombeya autumnalis I.Verd.
  • Dombeya blattiolens Frapp.
  • Dombeya boehmiana (= Vincentia boehmiana (F.Hoffm.) Burret)
  • Dombeya burgessiae Gerr. ex Harv. (= D. greenwayi Wild, D. mastersii Hook.f., D. parvifolia K.Schum., D. rosea E.G.Baker, D. tanganyikensis Baker)
  • Dombeya cacuminum Hochr.
  • Dombeya ciliata Cordem.
  • Dombeya coria Baill.
  • Dombeya cymosa Harv.
  • Dombeya decanthera Cav. (= D. bojeriana Baill., Melhania decanthera (Cav.) DC)
  • Dombeya delislei Arènes
  • Dombeya elegans Cordem. – sometimes included in D. burgessiae
  • Dombeya ferruginea Cav. (= Pentapetes ferruginea Poir.)
    • Dombeya ferruginea ssp. borbonica F.Friedmann
    • Dombeya ferruginea ssp. ferruginea
  • Dombeya ficulnea Baill. – sometimes erroneously included in D. punctata[3]
  • Dombeya glandulosissima Arènes
  • Dombeya kirkii Mast.
  • Dombeya laurifolia (Bojer) Baill. (= D. parkeri Baill., D. valimpony R.Vig. & Humbert, D. valimpony f. obovalopsis Hochr., Melhania laurifolia Bojer)
  • Dombeya leandrii Arènes
  • Dombeya ledermannii
  • Dombeya longebracteolata
  • Dombeya macrantha Baker
  • Dombeya mauritiana F.Friedmann
  • Dombeya montana (Hochr.) Arènes (= D. acerifolia var. montana Hochr.)
  • Dombeya natalensis Sond.
  • Dombeya palmatisecta Hochr.
  • Dombeya pilosa Cordem.
  • Dombeya populnea Baill. (= Pentapetes populnea Poir.)
  • Dombeya pulchra N.E.Br.
  • Dombeya punctata Cav. (= D. lancea Cordem., D. pervillei Baill., Pentapetes punctata Poir.)
  • Dombeya reclinata Cordem.
  • Dombeya rodriguesiana F.Friedmann
  • Dombeya rottleroides Baill.
  • Dombeya rotundifolia Planch. – Blompeer, "South African Wild Pear"
  • Dombeya shupangae K.Schum.
  • Dombeya spectabilis Bojer (= D. chapelieri Baill., D. humblotii Baill., D. lantziana Baill., D. rotundifolia Bojer)
  • Dombeya tiliacea (Endl.) Planch. (= Xeropetalum tiliaceum Endl.)
  • Dombeya tsaratananensis (Hochr.) Arènes (= D. ficulnea var. tsaratananensis Hochr.)
  • Dombeya umbellata Cav. (= Pentapetes umbellata Poir.)
  • Dombeya wallichii Benth. et Hook.f. (= Astrapaea wallichii Lindl.) – Pink-ball, "Tropical Hydrangea"

Footnotes
  1. Hinsley (2008)
  2. Cao et al. (2006)
  3. Cao et al. (2006), Hinsley (2008)
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References
  • Cao, Nathanaël; Le Pechon, Timothée & Zaragüeta-Bagils, René (2006): Does minimizing homoplasy really maximize homology? MaHo: A method for evaluating homology among most parsimonious trees. C. R. Palevol 7(1): 17–26. doi:10.1016/j.crpv.2007.12.008 (HTML abstract)
  • Hinsley, Stewart R. (2008): Partial Synonymy of Dombeya. Retrieved 2008-JUN-25.
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