Annals of Botany, Vol. 92, No. 3 (September 2003), pp. 425-435 (11 pages) This study presents the pollen aperture morphology of 148 out of approx. 200 species in 16 genera of the Detarieae s.s. and 13 ...

Premise of research. Family relationships in the monocot order Liliales have been revised recently, so that the order now consists of 10 families of geophytes and climbers, with unusually diverse ...

In plants, pollen- and seed-dispersal distributions are characteristically leptokurtic, with significant consequences for spatial genetic structure and nearest-neighbour mating. However, most studies ...

Contemporary pollen flow in forest plant species is measured by the probability of paternal identity (PPI) for two randomly sampled offspring, drawn from a single female, and contrasting that with PPI ...

Pollen grains may be small but they have a big job. Delivering a sperm to an egg is a little more complicated when the parents don't move around. For plants, pollen success means reaching a receptive ...

SNOWBIRD, Utah — Like so many people, Catasetum orchids get rough because they’re bent out of shape. Male flowers in this tropical genus don’t wait for a visiting bee to load up on pollen by nuzzling ...

The collapse of honeybee colonies across North America is focusing attention on the honeybees' vital role in the survival of agricultural crops, and a new study shows insect pollinators have likely ...

If you live anywhere in the Seacoast area, you can’t help but have noticed the pollen collecting on the surface of local ponds and puddles, along roads, on our cars and coating screen windows. I ...