Kew Bulletin

, 70:29 | Cite as

The Gilbertiodendron ogoouense species complex (Leguminosae: Caesalpinioideae), Central Africa

  • Xander M. van der Burgt
  • Barbara A. Mackinder
  • Jan J. Wieringa
  • Manuel de la Estrella
Article

Summary

The Gilbertiodendron ogoouense species complex consists of 14 tree species. Eight species are here newly described and one is here reinstated: G. bambolense Burgt; G. breteleri Burgt; G. ebo Burgt & Mackinder; G. ecoukense (Pellegr.) Burgt; G. maximum Burgt & Wieringa; G. minkebense Burgt & Estrella; G. quinquejugum Burgt; G. scutatum Wieringa & Estrella and G. sulfureum Burgt. Five species in the complex were already recognised as accepted: G. brachystegioides (Harms) J. Léonard; G. klainei (Pierre ex Pellegr.) J. Léonard; G. newberyi Burgt; G. ngouniense (Pellegr.) J. Léonard and G. ogoouense (Pellegr.) J. Léonard. All 14 species are medium-sized or large trees of evergreen rain forest on well-drained or periodically inundated soil, at 0 – 900 m altitude. Each of the 14 species is distributed in one or more of the following Central African countries: Cameroon, Equatorial Guinea, Gabon, Congo (Brazzaville), Angola (Cabinda) and Congo (Kinshasa). Included are a key, a table comparing the main morphological characters, illustrations drawn to the same scale and distribution maps of all species. The conservation status of all species is assessed according to IUCN categories and criteria: G. maximum is classified as Critically Endangered, G. ebo and G. newberyi as Endangered, G. breteleri, G. klainei, G. minkebense, G. ngouniense and G. scutatum as Vulnerable, and the remaining six species as Least Concern.

Key Words

Conservation Macrolobium new species taxonomy 

References

  1. African Plants Database (2014). Version 3.4.0. Conservatoire et Jardin botaniques de la Ville de Genève and South African National Biodiversity Institute, Pretoria. Retrieved March 2014, from <http://www.ville-ge.ch>.
  2. Aubréville, A. (1968). Flore du Gabon 15, Légumineuses — Césalpinioidées. Muséum National d’Histoire Naturelle, Paris.Google Scholar
  3. ____ (1970). Flore du Cameroun 9, Légumineuses — Césalpinioidées. Muséum National d’Histoire Naturelle, Paris.Google Scholar
  4. Baker, E. G. (1928). Leguminosae. In: A. W. Exell, Mr. John Gossweiler’s Plants from Angola and Portuguese Congo. J. Bot. 66, Suppl. 1: 98 – 159.Google Scholar
  5. ____ (1930). The Leguminosae of Tropical Africa. Part III. Unitas Press, Ostend.Google Scholar
  6. Beentje, H. (2010). The Kew Plant Glossary. An illustrated dictionary of plant terms. Royal Botanic Gardens, Kew.Google Scholar
  7. Burgt, X. M. van der (1997). Explosive seed dispersal of the rainforest tree Tetraberlinia moreliana (Leguminosae – Caesalpinioideae) in Gabon. J. Trop. Ecol. 13: 145 – 151.Google Scholar
  8. ____, Eyakwe, M. & Motoh, J. (2012). Gilbertiodendron newberyi (Leguminosae: Caesalpinioideae), a new tree species from Korup National Park, Cameroon. Kew Bull. 67: 51 – 57.Google Scholar
  9. Estrella, M. de la, Devesa, J. A. & Wieringa, J. J. (2012). A morphological re-evaluation of the taxonomic status of the genus Pellegriniodendron (Harms) J. Léonard (Leguminosae – Caesalpinioideae – Detarieae) and its inclusion in Gilbertiodendron J. Léonard. S. African J. Bot. 78: 257 – 265.Google Scholar
  10. ____ & ____ (2014). The Genus Gilbertiodendron (Leguminosae — Caesalpinioideae) in Western Africa. Syst. Bot. 39 (1): 160 – 192.Google Scholar
  11. ____, Wieringa, J. J., Mackinder, B., Burgt, X. M. van der, Devesa, J. A. & Bruneau, A. (2014). Phylogenetic analysis of the African genus Gilbertiodendron J. Léonard and related genera (Leguminosae – Caesalpinioideae – Detarieae). Int. J. Pl. Sci. 175: 975 – 985.Google Scholar
  12. Geocat (2014). Geospatial Conservation Assessment Tool. http://geocat.kew.org. Accessed Feb. 2014.
  13. Hardy, O., Born, C., Budde, K., Daïnou, K., Dauby, G., Duminil, J., Ewédje, E.-E. B. K., Heurtz, M., Koffi, G. K., Micheneau, C., Ndiade-Bourobou, D., Piñeiro, R., Lowe, A. J., Poncet, V. & Gomes, C. (2014). Comparative phylogeography of African rain forest trees: a review of genetic signatures of vegetation history in the Guinea-Congolian region. Scripta Bot. Belg. 52: 179. (conference abstract)Google Scholar
  14. Harms, H. (1907). Leguminosae africanae IV. Bot. Jahrb. Syst. 40 (1): 15 – 44.Google Scholar
  15. ____ (1922). Leguminosae africanae VIII. Notizbl. Bot. Gart. Berlin-Dahlem 72 (8): 145 – 156.Google Scholar
  16. Hawthorne, W. & Jongkind, C. (2006). Woody plants of western African forests. Royal Botanic Gardens, Kew.Google Scholar
  17. Hutchinson, J. & Dalziel, J. M. (1958). Flora of West Tropical Africa, second edition, vol. 1, part 2. Crown agents for oversea governments and administrations, London.Google Scholar
  18. Index Kewensis (1953). Index Kewensis Supplementum XI, 1941 – 1950. Clarendon Press, Oxford.Google Scholar
  19. IUCN (2014). The IUCN Red List of Threatened Species. Version 2012.2. http://www.iucnredlist.org.
  20. Keay, R. J. W. (1989). Trees of Nigeria. Clarendon Press, Oxford.Google Scholar
  21. Léonard, J. (1952a). Les genres Macrolobium Schreb. et Gilbertiodendron J. Léonard au Congo Belge (Caesalpiniaceae). Bull. Jard. Bot. État Bruxelles XXII: 185 – 191.Google Scholar
  22. ____ (1952b). 39. Gilbertiodendron. In : Flore du Congo Belge et du Rwanda-Urundi: Spermatophytes. Vol. III: 428 – 436. INEAC, Bruxelles.Google Scholar
  23. ____ (1954). Notulae Systematicae XIV. Les genres Macrolobium Schreb. et Gilbertiodendron J. Léonard en Afrique Tropicale. Bull. Jard. Bot. Etat Bruxelles XXIV: 57 – 61.Google Scholar
  24. ____ (1957). Genera des Cynometreae et des Amherstieae africaines (Leguminosae-Caesalpinioideae). Essai de blastogenie appliqué à la systématique. Mém. Acad. Roy. Sci. Belgique 30 (2): 1 – 314.Google Scholar
  25. Letouzey, R. & Mouranche, R. (1952). Ekop du Cameroun. Centre Technique Forestier Tropical, Nogent-sur-Marne.Google Scholar
  26. Lewis, G., Schrire, B., Mackinder, B. & Lock, M. (2005). Legumes of the World. Royal Botanic Gardens, Kew.Google Scholar
  27. Louis, J. & Fouarge, M. (1949). Le genre Macrolobium. Essences forestières et bois du Congo VI. Publ. INEAC, Bruxelles.Google Scholar
  28. Newbery, D. M., Burgt, X. M. van der & Moravie, M.-A. (2004). Structure and inferred dynamics of a large grove of Microberlinia bisulcata trees in central African rain forest: the possible role of periods of multiple disturbance events. J. Trop. Ecol. 20: 131 – 143.Google Scholar
  29. ____, ____, Worbes, M. & Chuyong, G. B. (2013). Transient dominance in a central African rain forest. Ecol. Monogr. 83 (3): 339 – 382.Google Scholar
  30. Peccoud, J., Piatscheck, F., Yockteng, R., Garcia, M., Sauve, M., Djiéto-Lordon, C., Harris, D. J., Wieringa, J. J., Breteler, F. J., Born, C., McKey, D. & Blatrix, R. (2013). Multi-locus phylogenies of the genus Barteria (Passifloraceae) portray complex patterns in the evolution of myrmecophytism. Molec. Phylogenet. Evol. 66 (3): 824 – 832.Google Scholar
  31. Pellegrin, F. (1920). De quelques Macrolobium (Légumineuses – Césalpiniées) du Gabon. Bull. Mus. Natl. Hist. Nat. 6: 551 – 554.Google Scholar
  32. ____ (1923). Notes sur quelques Césalpiniées du Congo. Bull. Soc. Bot. France 69: 742 – 746.Google Scholar
  33. ____ (1924). La flore du Mayombe d’après les récoltes de M. Georges Le Testu. Mém. Soc. Linn. Normandie 26: 1 – 125.Google Scholar
  34. ____ (1941). Les Macrolobium (Caesalpiniées) du Gabon. Bull. Soc. Bot. France 88: 499 – 510.Google Scholar
  35. ____ (1949). Les Légumineuses du Gabon. Mém. Inst. Etud. Centrafr. No. 1: 41 – 60.Google Scholar
  36. Saint Aubin, G. de (1963). La forêt du Gabon. Centre Technique Forestier Tropical, Nogent-sur-Marne.Google Scholar
  37. Sosef, M. S. M., Wieringa, J. J., Jongkind, C. C. H., Achoundong, G., Azizet Issembé, Y., Bedigian, D., Berg, R. G. van den, Breteler, F. J., Cheek, M., Degreef, J., Faden, R. B., Goldblatt, P., Maesen, L. J. G. van der, Ngok Banak, L., Niangadouma, R., Nzabi, T., Nziengui, B., Rogers, Z. S., Stévart, T., Valkenburg, J. L. C. H. van, Walters, G. & Wilde, J .J. F. E. de (2006). Check-list des plantes vasculaires du Gabon (Checklist of Gabonese vascular plants). Scripta Bot. Belg. 35: 1 – 438.Google Scholar
  38. Valkenburg, J. Van, Ketner, P. & Wilks, C. (1998). A floristic inventory and preliminary vegetation classification of the mixed semi-evergreen rainforest in the Minkébé region, North East Gabon. Adansonia, sér. 3, 20: 139 – 162.Google Scholar
  39. Velayos, M., Aedo, C., Cabezas, F., Estrella, M. de la, Fero, M. & Barberá, P. (2010). Flora de Guinea Ecuatorial, Vol. V, Leguminosae. Real Jardín Botánico de Madrid.Google Scholar
  40. Velzen, R. van & Wieringa, J. J. (2014). Rinorea calcicola (Violaceae), an endangered new species from south-eastern Gabon. Phytotaxa 167 (3): 267 – 275.Google Scholar
  41. Wieringa, J. J. (1999). Monopetalanthus exit. A systematic study of Aphanocalyx, Bikinia, Icuria, Michelsonia and Tetraberlinia (Leguminosae, Caesalpinioideae). Wageningen Agr. Univ. Pap. 9 – 4: I – XVI, 1 – 320.Google Scholar
  42. ____ & Mackinder, B. A. (2012). Novitates Gabonensis 79: Hymenostegia elegans and Hymenostegia robusta, two new threatened caesalpinioid legume species from Gabon. Nordic J. Bot. 30 (2): 144 – 152.Google Scholar

Copyright information

© The Board of Trustees of the Royal Botanic Gardens, Kew 2015

Authors and Affiliations

  • Xander M. van der Burgt
    • 1
  • Barbara A. Mackinder
    • 1
  • Jan J. Wieringa
    • 2
    • 3
  • Manuel de la Estrella
    • 4
  1. 1.Herbarium, Royal Botanic Gardens KewRichmondUK
  2. 2.Naturalis Biodiversity Centre (section NHN), Herbarium VadenseLeidenThe Netherlands
  3. 3.Biosystematics Group, Wageningen UniversityWageningenThe Netherlands
  4. 4.Institut de Recherche en Biologie Végétale and Département de Sciences BiologiquesUniversité de MontréalMontréalCanada

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