Papilionoid Fabaceae include species with flowers that have obstacles that have to be actively moved by a visitor before floral rewards can be accessed and pollination can take place. Córdoba and Cocucci study six species of Fabaceae and determine the force required to open keels and the strength that pollinating bees (Megachilidae and Apidae) are capable of exerting. They […] More
Blog Action Day is an annual event that encourages bloggers to talk about a specific topic. This year the theme is Food and it seems like an excellent topic for botanical bloggers. The day is October 16, which gives everyone a week to prepare. Pat has agreed to post something and I’ll be having a […] More
The presence of co-flowering species can alter pollinator foraging behaviour and positively or negatively affect reproductive success of individual species. Liao et al. investigate interactions between Pedicularis monbeigiana and a co-flowering species, Vicia dichroantha, and find that the presence of V. dichroantha facilitates pollination and increases female reproductive success of P. monbeigiana via effects both in […] More
These are links from our Scoop It page between September 30th and October 8th: Plant genomes may help next generation respond to climate change In the face of climate change, animals have an advantage over plants: They can move. But a new study led by Brown University researchers shows that plants may have some tricks […] More
Wild tobacco, Nicotiana debneyi, has fungal resistance, but sexual incompatibility prevents introgression of its resistance genes into the ornamental tobacco, N. × sanderae. Patel et al. show that somatic hybridization, involving protoplast fusion, can be exploited to overcome this incompatibility. Somatic hybrids of N. × sanderae (+) N. debneyi have asymmetrical nuclear hybridity with loss of chromosomes, but they […] More
Botany Photo of the Day is a fabulous teaching resource from the UBC Botanical Garden and Centre for Plant Research. The images and text are licensed for non-commercial use with attribution under a Creative Commons License. Attribution of UBC Botanical Garden and Centre for Plant Research images should preferentially credit UBC Botanical Garden and the […] More
What to tell new Biological Science students in their first lecture? We are drowning in high-quality information, but need to teach how to find and evaluate information, and what to do with it. Social media now plays a part in this, and Practical classes are one of the greatest opportunities for learning. More
Growth decline with age in trees is hypothesized to be an effect of carbon limitation. By assessing carbon reserves and isotopes at different ontogenetic stages in the deciduous broadleaf tree Nothofagus pumilio (lenga beech) in two forests in southern Chile, Piper and Fajardo test this hypothesis and find that carbon reserves do not vary with tree […] More
Olive trees (Olea europaea) provide a good model to study the origin of cultivars due to their long lifespan. Diez et al. use SSR markers to evaluate genetic identity and diversity as well as phylogenetic relationships among the oldest wild and cultivated olives of Southern Spain. The majority (90.4 %) of the a priori cultivated ancient olive genotypes […] More
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