Pisonia

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Pisonia

Pisonia L., Sp. Pl.: 1026. 1753 sec. Bittrich & Kühn 19931
  • 1. Bittrich, V. & Kühn, U. 1993: Nyctaginaceae, 473 – 485. – In: Kubitzki, K., Rohwer, J.G. & Bittrich, V. (ed.), The Families and Genera of Vascular Plants 2. – Berlin, Heidelberg & New York: Springer
  • =Calpidia Thouars, Hist. Vég. Isles Austral. Afriq.: 37. 1805 syn. sec. Bittrich & Kühn 19932
  • 2. Bittrich, V. & Kühn, U. 1993: Nyctaginaceae, 473 – 485. – In: Kubitzki, K., Rohwer, J.G. & Bittrich, V. (ed.), The Families and Genera of Vascular Plants 2. – Berlin, Heidelberg & New York: Springer
  • =Columella Vell., Fl. Flumin.: 155. 1829 syn. sec. Kew WCVP (2019)3
  • 3. Kew WCVP (2019)
  • =Pallavia Vell., Fl. Flumin.: 151. 1829 syn. sec. Kew WCVP (2019)4
  • 4. Kew WCVP (2019)
  • =Tragularia J.Koenig ex Roxb., Fl. Ind., ed. 1832, 2: 217. 1832 syn. sec. Kew WCVP (2019)5
  • 5. Kew WCVP (2019)
  • =Timeroyea Montrouz. in Mém. Acad. Imp. Sci. Lyon, Sect. Sci., sér. 2, 10: 247. 1860 syn. sec. Kew WCVP (2019)6
  • 6. Kew WCVP (2019)
  • =Vieillardia Brongn. & Gris in Bull. Soc. Bot. France 8: 375. 1861 syn. sec. Kew WCVP (2019)7
  • 7. Kew WCVP (2019)
  • 8. Bittrich, V. & Kühn, U. 1993: Nyctaginaceae, 473 – 485. – In: Kubitzki, K., Rohwer, J.G. & Bittrich, V. (ed.), The Families and Genera of Vascular Plants 2. – Berlin, Heidelberg & New York: Springer

Notes

The genus includes shrubs, trees and woody climbers characterised by stout spines on the stems and coriaceous fruits with stipitate glands. Its distribution is pantropical with a center of diversity in the Neotropics. Molecular phylogenetic studies (i.e. Douglas & Manos 2007; León de la Luz & Levin 2012) support the monophyly of Pisonia, although the genus was poorly sampled in both studies. Pisonia has not been monographed and the number of species is uncertain; some treatments considered 40 species (e.g. Spellenberg 2001; DeFilipps & Maina, 2003; González 2007) whereas others (e.g. Spellenberg 2003) considered a range between 10-50 species; in the literature there are a lot of accepted and unresolved names.A,B,C,D,E,F

Bibliography

A. DeFilipps, R. A. & Maina, S. L. 2003: Nyctaginaceae. – In: Flora of the Guianas. Series A: Phanerogams 22. – Richmond: Royal Botanic Gardens, Kew
B. Douglas, N. A. & Manos, P. S. 2007: Molecular phylogeny of Nyctaginaceae: taxonomy, biogeography, and characters associated with a radiation of xerophytic genera in North America. – American Journal of Botany 94: 856-872. http://doi.org/10.3732/ajb.94.5.856
C. González, R. J. 2007: Nyctaginaceae, pp. 785 – 796. – In: Hammel, B. E., Grayum, M. H., Herrera, C. & Zamora, N., Manual de plantas de Costa Rica 6. – St. Louis: Missouri Botanical Garden Press
D. León de la Luz, J. L. & Levin, R. A. 2012: Pisonia calafia (Nyctaginaceae) species nova from the Baja California Peninsula, Mexico. – Acta Botanica Mexicana 101: 83 – 93
E. Spellenberg, R. 2001: Nyctaginaceae, pp. 1-98. – In: Flora del Bajio y de regiones adyacentes 93. – Pátzcuaro: Instituto de Ecología A. C. Centro Regional del Bajío
F. Spellenberg, R. 2003: Nyctaginaceae, pp. 14–74. – In: Flora of North America Editorial Committee, Flora of North America north of Mexico 4. – New York: Oxford University Press