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

X.M. van der Burgt, B.A. Mackinder, J.J. Wieringa, Manuel de la Estrella

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)

Abstract

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.

Original languageEnglish
Article number29
JournalKew Bulletin
Volume70
Issue number2
DOIs
Publication statusPublished - 8 Jun 2015

Fingerprint

Gilbertiodendron
Caesalpinioideae
Central Africa
species complex
Fabaceae
Equatorial Guinea
Angola
Gabon
Democratic Republic of the Congo
Republic of the Congo
Cameroon
rain forests
soil
conservation status

Keywords

  • Conservation
  • Macrolobium
  • new species
  • taxonomy

Cite this

van der Burgt, X.M. ; Mackinder, B.A. ; Wieringa, J.J. ; de la Estrella, Manuel. / The Gilbertiodendron ogoouense species complex (Leguminosae : Caesalpinioideae), Central Africa. In: Kew Bulletin. 2015 ; Vol. 70, No. 2.
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abstract = "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. L{\'e}onard; G. klainei (Pierre ex Pellegr.) J. L{\'e}onard; G. newberyi Burgt; G. ngouniense (Pellegr.) J. L{\'e}onard and G. ogoouense (Pellegr.) J. L{\'e}onard. 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.",
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The Gilbertiodendron ogoouense species complex (Leguminosae : Caesalpinioideae), Central Africa. / van der Burgt, X.M.; Mackinder, B.A.; Wieringa, J.J.; de la Estrella, Manuel.

In: Kew Bulletin, Vol. 70, No. 2, 29, 08.06.2015.

Research output: Contribution to journalArticleAcademicpeer-review

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AB - 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.

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KW - Macrolobium

KW - new species

KW - taxonomy

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JO - Kew Bulletin

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