Close Encounters Slippery flowers help deter nectar-stealing ants A wax crystal coating causes ants to slip off, while hornet and bee pollinators can fly right in. Erin ZimmermanJanuary 12, 2021
Taxonomy & Evolution Flowering time likely an important driver of speciation in South African Restionaceae Allochrony is one of few ways for wind-pollinated species to achieve reproductive isolation. Erin ZimmermanJanuary 7, 2021
Plants & PeopleTaxonomy & Evolution Tree root identification saves ancient caves and the forest above them Barcoding and morphology combined allowed identification and targeted removal of problem trees. Erin ZimmermanDecember 18, 2020
Cells, Genes & Molecules δ13Cp as proxy for water use efficiency is deceptive in young leaves During leaf expansion, the measurement gives counterintuitive results. Erin ZimmermanDecember 17, 2020
Close Encounters Crop diversity and semi-natural habitat a boon to yields as well as pollinators Greater proportions of semi-natural habitat surrounding fields increased bumble bee and honey bee densities. Erin ZimmermanDecember 11, 2020
Plants & People Syrian seed rescue a triumph of international cooperation More than 80% of the Syrian seed collection was preserved at Svalbard before the facility was lost. Erin ZimmermanDecember 7, 2020
Taxonomy & Evolution Small herbaria make outsize contributions Small herbarium specimens are likely to be unduplicated elsewhere, or found only in other small herbaria. Erin ZimmermanDecember 5, 2020
Plants & People It’s time to boost botany: the science and the word itself "Is it time to say farewell to Botany?" asked authors in a recent op-ed. Erin ZimmermanDecember 3, 2020
Growth & Development Woodiness only indirectly responsible for embolism resistance in Arabidopsis Its correlation with intervessel pit membrane thickness provides the missing functional link. Erin ZimmermanNovember 27, 2020
Close Encounters Floral chemistry reveals the basis of an orchid pollinator shift A greater concentration of a compound present throughout the species allowed one morph to attract bee pollinators. Erin ZimmermanNovember 24, 2020
Taxonomy & Evolution A new assessment of Madagascar’s Coffea species shows which traits reflect phylogenetic signal Flowering phenology appears to have a strong genetic component, and may serve as a barrier to hybridization Erin ZimmermanNovember 21, 2020
Taxonomy & Evolution Flowering plants spelled the end of gymnosperm dominance Coupled with the negative effects of global cooling, angiosperms pushed gymnosperm extinction past the point of recovery. Erin ZimmermanNovember 13, 2020
Close Encounters Invasive plants can homogenize soil pathogens The decreased number of pathogen species appears to benefit the invaders. Erin ZimmermanNovember 11, 2020
Close Encounters Cockroaches the main pollinator of a rare Chinese flower The phenomenon, though rare, may be ancient. Erin ZimmermanNovember 6, 2020