Plant Systematics and Evolution, Vol. 217, No. 1/2 (1999), pp. 81-99 (19 pages) Some aspects of pollen cytology at dispersal were studied in 12 species of gymnosperms. The pollen grains differed in: 1 ...

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 ...

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 ...

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

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 ...