"These pollen tubes could be crooked ... cannot fuse with the plant's egg cells. Bomblies and her colleagues investigated this phenomenon in sand rock-cress (Arabidopsis arenosa).

This image shows pollen tubes growing through the microscopic obstacles in the microchip and the different reactions to the various width-tightness ratios: Squeezing through the slit shaped ...

In the flowering plant world, reproduction means an intricate succession of events ... As shown above, fluorescently tagged pollen grains elongate their pollen tubes and form a colorful bundle that ...

self pollination - pollen from an anther of the same flower or same plant arrives at the stigma of the flower. Examples of self-pollinating plants include wheat, barley, rice, tomatoes and potatoes.

BEIJING, March 26 (Xinhua) -- How did Earth's earliest seed plants capture pollen to reproduce? A team of scientists has uncovered new clues by studying 365-million-year-old seed plant fossils ...

It’s both a major source of irritation for allergy sufferers and an essential product that drives all plant life. The powder, dubbed pollen, is airborne throughout much of the year in the ...