annals-of-botany
Light and competition fail to explain seedling coexistence
The coexistence of forest tree species has often been linked to differences in their response to light availability during the regeneration stage. Van Couwenberghe et al.
Plant Cuttings
Ouch! That must hurt…
The model plant Arabidopsis thaliana seems not to be such a good model after all
annals-of-botany
Gibberellin mediates tension wood formation
Results suggest that gibberellin is important for the development of gelatinous fibres, and therefore in gravitropism.
Plant Cuttings
Temperature: getting it right
Have we been measuring temperature incorrectly all along?
annals-of-botany
Nectary evolution in Disa orchids
Independent nectary evolution of orchid genus Disa has involved both repeated recapitulation of secretory epidermis, and innovation of stomatal nectaries.
annals-of-botany
Where do olives come from?
An analysis of patterns of genetic differentiation finds evidence of reciprocal gene exchanges between populations of Mediterranean and Saharan olives.
Uncategorized
Do pollinators isolate new species of plants?
It’s time for the last paper of the pollinator-driven speciation week. The previous posts have examined how pollinators can select and cause diversity among
Uncategorized
Plants adapt to accommodate a long proboscis in South Africa.
Our Grant-Stebbins week continues. Today it’s a question of looking at the geographical context of floral adaptations. Why might you find a plant here
annals-of-botany
Climate and capture mechanism in pitcher plants
The influence of climate on the mechanisms employed by Nepenthes in prey capture and retention.
Uncategorized
Floral adaptation to pollinator guilds in Switzerland
Pollinator-driven speciation week continues, with Floral adaptation to local pollinator guilds in a terrestrial orchid, a paper by Sun, Gross and Schiestl. The star is
annals-of-botany
Timetable for allopolyploidy in flowering plants (Viewpoint)
This is the first study to propose a general temporal framework for strict allopolyploidy.
Uncategorized
Pollinators as selectors for evolution
Following from yesterday, do pollinators act as selectors for evolution? A pollinator shift explains floral divergence in an orchid species complex in South Africa by Peter