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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Update on the systematics of Benstonea (Pandanaceae): When a visionary taxonomist foresees phylogenetic relationships
Phytotaxa, Volume 112, No. 2, Year 2013
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Description
The paleotropical monocot Pandanaceae family comprises c. 700 species distributed into five genera: Benstonea (c. 60 spp.), Freycinetia (c. 250 spp.), Martellidendron (6 spp.), Pandanus (c. 450 spp.) and Sararanga (2 spp.). Benstonea was circumscribed to include species previously placed in Pandanus section Acrostigma (one of the four sections of Pandanus subgenus Acrostigma). New phylogenetic data show that the six species of the remaining three sections of subgenus Acrostigma (sections Epiphytica, Fusiforma and Platystigma) and a seventh species doubtfully placed in section Acrostigma (Pandanus microglottis) also belonged to Benstonea. This genus is therefore characterized by a suite of morphological characters, viz. stigmatic groove on the adaxial side of the stigma and a staminate flower reduced to 1 to 3 free stamens (sometimes joined at base). We therefore make here the necessary seven new combinations accompanied by one lectotypification in Benstonea, a genus that now reflects the view of the visionary Benjamin Stone who had already grouped these species in Pandanus subgenus Acrostigma based solely on morphology. © 2013 Magnolia Press.
Authors & Co-Authors
Callmander, Martin W.
United States, St. Louis
Missouri Botanical Garden
Switzerland, Chambesy
Conservatoire et Jardin Botaniques de la Ville de Genève
Booth, Thomas J.
United Kingdom, Richmond
Royal Botanic Gardens, Kew
Beentje, Henk Jaap
United Kingdom, Richmond
Royal Botanic Gardens, Kew
Buerki, Sven
United Kingdom, Richmond
Royal Botanic Gardens, Kew
Statistics
Citations: 12
Authors: 4
Affiliations: 3
Identifiers
Doi:
10.11646/phytotaxa.112.2.4
ISSN:
11793155