The Amazonian rainforest is arguably the most species-rich terrestrial ecosystem in the world,
yet the timing of the origin and evolutionary causes of this diversity are a matter of debate. …

Herbarium collections are potentially an enormous resource for DNA studies, but the use of
herbarium specimens in molecular studies has thus far been slowed down by difficulty in …

… Tiina Sarkinen is a post-doctoral researcher at the Natural History Museum, London. Her
research interests include biome evolution, biogeography, historical species assembly and …

The Leguminosae, the third–largest angiosperm family, has a global distribution and high
ecological and economic impor tance. We examine how the legume systematic research …

Unprecedented changes in the Earth's biota are prompting urgent efforts to describe and
conserve plant diversity. For centuries, botanical monographs — comprehensive systematic …

Background South America is one of the most species diverse continents in the world. Within
South America diversity is not distributed evenly at both local and continental scales and …

Hybrid potato breeding will transform the crop from a clonally propagated tetraploid to a
seed-reproducing diploid. Historical accumulation of deleterious mutations in potato genomes …

Seasonally dry tropical forests are distributed across Latin America and the Caribbean and
are highly threatened, with less than 10% of their original extent remaining in many countries. …

… that this Cantisolanum seed is anatropous and does not belong to Solanaceae, but has
likely affinities to the monocot family Philydraceae [T. Särkinen, M. Collinson, P. Kenrick, F. …

Recent debates on the number of plant species in the vast lowland rain forests of the Amazon
have been based largely on model estimates, neglecting published checklists based on …