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2024
Journal article
Two new species of Anthurium sect. Urospadix (Araceae) endemic to the restinga vegetation of Bahia, Brazil
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2024
Journal article
New taxa of Barleria sect. Prionitis (Acanthaceae) from the Horn of Africa biodiversity hotspot in Somalia.
Two new taxa in Barleria L. sect. Prionitis Nees (Acanthaceae) are described from Somalia, namely Barleria biramosa Defty & I.Darbysh. from central Somalia and B. compacta Malombe & I.Darbysh. subsp. minima I.Darbysh. & Defty from the northeast coastal region. These taxa are further endemics of the Horn of Africa biodiversity...Defty, Ellie ; Darbyshire, Iain
Taxonomy, Conservation, Barleria compacta, Horn of Africa, Barlerieae, Barleria biramosa, New species, Somalia, IUCN Red List, and Diversity
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2024
Journal article
Expanding our knowledge of the coffee family in continental Africa: a synopsis of the genus Pyrostria (Rubiaceae).
A summary of the species of from continental Africa is presented, including full descriptions of three new species, , and . from the coastal forests of the Tanzania-Mozambique border region, and one new subspecies, subsp. from Zambia. is the first species with plurilocular (3-lobed) fruits and the second hermaphrodite species...Matheka, Kennedy W. ; Goyder, David ; Darbyshire, Iain
Conservation, Pyrostria, IUCN Red List, Rubiaceae, Africa, Rovuma Centre of Endemism, Taxonomy, Vanguerieae, and New species
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2024
Journal article
Four new deciduous species of Hyperacanthus (Rubiaceae: Gardenieae) from western Madagascar: the sofikomba alliance.
The genus comprises 11 species, nine in Madagascar and two in Africa, although many Madagascan species remain undescribed. All Madagascan species of are evergreen trees occurring in humid and semi-humid forest. Four deciduous species occur in the dry forests of northern, western, and southern Madagascar but are unknown to science.... -
2023
Journal article
A further new species of Isoglossa (Acanthaceae) from the Eastern Arc Mountains of Tanzania.
I.Darbysh. & Hemp (Acanthaceae), from submontane moist forest at Mwala in the South Pare Mountains of northeastern Tanzania, is described and illustrated. This species is considered to be related to (S.Moore) Lindau and (Vahl) Brummitt & J.R.I.Wood, which are widespread in the montane forests of eastern Africa, but it clearly...Darbyshire, Iain ; Hemp, Andreas
Conservation, New species, Isoglossinae, IUCN Red List, Eastern Arc Mountains (Tanzania), Taxonomy, Extinction risk, and Isoglossa
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2022
Journal article
The ECAT dataset: expert-validated distribution data of endemic and sub-endemic trees of Central Africa (Dem. Rep. Congo, Rwanda, Burundi).
In this data paper, we present a specimen-based occurrence dataset compiled in the framework of the Conservation of Endemic Central African Trees (ECAT) project with the aim of producing global conservation assessments for the IUCN Red List. The project targets all tree species endemic or sub-endemic to the Central African... -
2019
Journal article
Threatened status of neglected and underutilised Jatropha (Euphorbiaceae) species endemic to Mexico
Jatropha curcas is the best known species from the genus, an oilseed crop used for biodiesel production. It deserves attention as more species show similar oil content, phytochemical properties, or as a genetic resource in J. curcas breeding programs. The closest species to J. curcas show restricted distributions and are...Christensen, Cecilie ; Seal, Charlotte ; Rico-Arce, María de Lourdes
Conservation, IUCN Red List, Distribution patterns, and Herbarium specimens
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2019
Journal article
Progress, challenges and opportunities for Red Listing
Despite its recognition as an important global resource for conservation, the International Union for Conservation of Nature's (IUCN) Red List of Threatened Species only provides assessments of extinction risk for a small and biased subset of known biodiversity. A more complete Red List can better support species-level conservation by indicating...Bachman, Steven ; Field, Richard ; Reader, Tom ; Raimondo, Domitilla ; Donaldson, John …
Conservation, IUCN Red List, Vascular plants, and Extinction risk