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Journal article
A revision of the Crepidorhopalon whytei complex (Linderniaceae) in eastern Africa
The Crepidorhopalon whytei (Linderniaceae) species complex is revised using morphological analyses. Based primarily on variations in indumentum, floral morphology, corolla colour and seed morphology, four species are formally recognised within this group in eastern Africa. Crepidorhopalon whytei s.str. is widespread in the highlands of eastern Africa, extending from South Sudan...Darbyshire, Iain ; Wursten, B. ; Luke, Q. ; Fischer, E.
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Journal article
A synopsis of Polysphaeria (Rubiaceae) in Mozambique, including two new species
The genus Polysphaeria is investigated in Mozambique based on detailed morphological studies of herbarium specimens, resulting in the recognition of two new species. The first, P. ribauensis, is based on Kraussia sp. A of Flora Zambesiaca and is endemic to the Ribáuè Mountains of Nampula Province. The second, P. harrisii,...Darbyshire, Iain ; Langa, Clayton ; Romeiras, Maria
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Journal article
Enhancing knowledge among smallholders on pollinators and supporting field margins for sustainable food security
Agro-ecological intensification (AEI) harnesses natural processes, such as pollination, that support sustainable crop production and can buffer against future food security risks. However, the transition from conventional agriculture, which relies on inputs that can damage natural ecosystem processes, to more sustainable food production under AEI, is knowledge-intensive. Here, we investigated...Elisante, Filemon ; Ndakidemi, Patrick A. ; Arnold, Sarah E.J. ; Belmain, Steven R. ; Gurr, Geoff M. …
ecosystem services, field margin plants, farming practices, crop production, and pollination
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Journal article
A taxonomic revision of Acanthaceae tribe Barlerieae in Angola and Namibia. Part 1
In the first part of a taxonomic revision of the tribe Barlerieae (Acanthaceae) in Angola and Namibia, two of the four major clades of the genus Barleria L. are studied in detail, namely subg. Barleria and subg. Prionitis sect. Prionitis. Using standard morphology-based taxonomic methods, a total of 32 species...Darbyshire, Iain ; Tripp, Erin ; Chase, Frances
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Journal article
Phylogenetic relationships among species of Barleria (Acanthaceae, Lamiales): Molecular data reveal complex patterns of morphological evolution and support a revised classification
Barleria is a genus of ~300 species of herbs and shrubs in Africa and Asia, with highest diversity in tropical East Africa and southern Africa. The genus is part of Barlerieae (Acanthaceae), a lineage that is distinguished from other Acanthaceae by quincuncial corolla aestivation. Unequivocal synapomorphies have yet to be...Darbyshire, Iain ; Fisher, Amanda ; Kiel, Carrie ; McDade, Lucinda
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Journal article
Taxonomic revision of Clinacanthus (Acanthaceae) in Thailand
The taxonomy of Clinacanthus in Thailand is revised. Nomenclature, descriptions and a key to the species are provided. Clinacanthus nutans is lectotypified. Clinacanthus burmanni var. robinsoni from Vietnam is found to be distinct from both C. nutans and C. siamensis and is elevated to species status.Bongcheewin, Bhanubong ; Darbyshire, Iain ; Satitpatipan, Veena ; Kongsawadworakul, Panida
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Journal article
Two new genera of Acanthaceae from tropical Africa
DNA sequence data, macro-morphological evidence and pollen analysis are used to clarify the phylogenetic placement of two African species of Acanthaceae: Schaueria populifolia C.B.Clarke and Rhinacanthus ndorensis Schweinf. The combined data demonstrate that these species are only distantly related to the genera in which they are currently placed and provide...Darbyshire, Iain ; Kiel, Carrie ; Daniel, Thomas ; McDade, Lucinda ; Luke, Quentin
taxonomy, justicioid, phylogeny, and Floristics
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Journal article
Species richness and distribution of the largest plant radiation of Angola: Euphorbia (Euphorbiaceae)
Frazão, Raquel ; Catarino, Silvia ; Goyder, David ; Darbyshire, Iain ; Magalhães, M. Filomena …
Nature and Landscape Conservation, Ecology, and Ecology, Evolution, Behavior and Systematics
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Journal article
Synsepalum chimanimani (Sapotaceae), a new species from the Chimanimani Mountains of Mozambique and Zimbabwe, with notes on the botanical importance of this area
Synsepalum chimanimani S.Rokni & I.Darbysh., sp. nov., a small tree endemic to the forests of the southern foothills of the Chimanimani Mountains of Mozambique and Zimbabwe, is described and illustrated. The differences in morphology and distribution between the new species and the related S. kaessneri and S. muelleri, with which...Rokni, Saba ; Wursten, Bart ; Darbyshire, Iain
Plant Science and Ecology, Evolution, Behavior and Systematics
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Journal article
Justicia gigantophylla (Acanthaceae), an endangered litter-gathering species from southern Cameroon
Background and aims – The taxonomic status of Duvernoia gigantophylla Lindau from southern Cameroon is considered in relation to the wider Justicia extensa-laxa complex of tropical Africa. Its unusual litter-gathering habit (currently unique in Acanthaceae) is also discussed.Methods – This study was based on normal practices of herbarium taxonomy and...Smith, Harry J. ; Moran, Con ; Lachenaud, Olivier ; Darbyshire, Iain
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Journal article
The endemic plants of Mozambique: diversity and conservation status
An annotated checklist of the 271 strict-endemic taxa (235 species) and 387 near-endemic taxa (337 species) of vascular plants in Mozambique is provided. Together, these taxa constitute c. 9.3% of the total currently known flora of Mozambique and include five strict-endemic genera (Baptorhachis, Emicocarpus, Gyrodoma, Icuria and Micklethwaitia) and two...Darbyshire, Iain ; Timberlake, Jonathan ; Osborne, Jo ; Rokni, Saba ; Matimele, Hermenegildo …
Plant Science and Ecology, Evolution, Behavior and Systematics
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Journal article
Knowledge gaps among smallholder farmers hinder adoption of conservation biological control
Conservation biological control uses habitat management to enhance the survival and impact of arthropod natural enemies for pest control. Its advantages are that it relies on native or established invertebrate populations that are adapted to local agricultural ecosystems and conditions. We surveyed 300 farmers in three agro-ecological zones of Kilimanjaro... -
Journal article
Mcdadea: A New Genus of Acanthaceae Endemic to the Namib Desert of Southwestern Angola
Acanthaceae represent one of the most ecologically dominant families of plants in the Namib Desert and adjacent portions of Namibia and Angola yet have never been comprehensively treated from a taxonomic perspective in the region. Recent fieldwork in Angola yielded discovery of two populations of plants, morphologically allied to the...Tripp, Erin A. ; Darbyshire, Iain
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Journal article
Phylogenomic Study of Monechma Reveals Two Divergent Plant Lineages of Ecological Importance in the African Savanna and Succulent Biomes.
Monechma Hochst. s.l. (Acanthaceae) is a diverse and ecologically important plant group in sub-Saharan Africa, well represented in the fire-prone savanna biome and with a striking radiation into the non-fire-prone succulent biome in the Namib Desert. We used RADseq to reconstruct evolutionary relationships within Monechma s.l. and found it to...Darbyshire, Iain ; Kiel, Carrie A. ; Astroth, Corine M. ; Dexter, Kyle G. ; Chase, Frances M. …
Phylogeny, Savannas, Africa, Succulents, Biome, Justicia, Plant diversity, RADseq, and Monechma
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Journal article
New Guinea has the world’s richest island flora
New Guinea is the world’s largest tropical island and has fascinated naturalists for centuries. Home to some of the best-preserved ecosystems on the planet3 and to intact ecological gradients—from mangroves to tropical alpine grasslands—that are unmatched in the Asia-Pacific region4,5, it is a globally recognized centre of biological and cultural... -
Journal article
Insect pollination is important in a smallholder bean farming system
Background Many crops are dependent on pollination by insects. Habitat management in agricultural landscapes can support pollinator services and even augment crop production. Common bean (Phaseolus vulgaris L.) is an important legume for the livelihoods of smallholder farmers in many low-income countries, particularly so in East Africa. While this...Elisante, Filemon ; Ndakidemi, Patrick ; Arnold, Sarah E. J. ; Belmain, Steven R. ; Gurr, Geoff M. …
Ecology, Biodiversity, Ecosystem Science, Agricultural Science, Research article, and Entomology
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Journal article
Further new species and records from the coastal dry forests and woodlands of the Rovuma Centre of Endemism
Background and aims – The coastal dry forests and woodlands of Cabo Delgado Province (Mozambique), part of the proposed Rovuma Centre of Endemism that is shared with coastal southern Tanzania, are known to support high numbers of endemic and highly range-restricted species. Here we investigate the taxonomic status of three...Darbyshire, Iain ; Goyder, David J. ; Wood, John R.I. ; Banze, Aurélio ; Burrows, John E.
Mozambique, Cabo Delgado , endemic , Tanzania, IUCN Red List, coastal dry forest, Rovuma, and taxonomy
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Journal article
Conservation priorities for African Vigna species: Unveiling Angola’s diversity hotspots
It is widely recognized that the conservation of the Crop Wild Relatives (CWR) in their wild habitats is fundamental to ensure the continuous supply of novel genetic material, crucial for future crop improvement. Vigna unguiculata (cowpea) and V. subterranea (bambara groundnut) are amongst the most significant African legumes as sources...Catarino, Silvia ; Rangel, Josefa ; Darbyshire, Iain ; Costa, Esperança ; Duarte, Maria Cristina …
Climate change, Crop wild relatives (CWR), Gap analysis, Leguminosae, Cowpea, and Protected areas
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Journal article
Botanical Monography in the Anthropocene
Botanical monographs have been the gold standard for communicating comprehensive systematic information about plants for over 300 years. Monographs catalyse species discovery, biodiversity documentation and conservation, and facilitate downstream research on wild and cultivated plant species. Increased availability of DNA sequence data and digitised resources now provide powerful resources for...Grace, Olwen M. ; Pérez-Escobar, Oscar A. ; Lucas, Eve J. ; Vorontsova, Maria S. ; Lewis, Gwilym P. …
conservation, Tree of Life, taxonomy , plants systematics , and biodiversity
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Journal article
Important Plant Areas: revised selection criteria for a global approach to plant conservation.
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