Plant biologists at ITbM, Nagoya University, have made a key discovery that the contents in pollen tubes alone can increase the size of seeds, without the need for fertilization. This new plant ...

The endosperm, the tissue surrounding the plant embryo in the seed, has long been perceived as a nourishing tissue that is abandoned once the transition to the seedling is complete. A team has now ...

Vol. 303, No. 8, Special Issue: Polyploidy in Deep and Shallow Evolutionary Times (October 2017), pp. 1093-1108 (16 pages) Polyploidy is one of the most important evolutionary processes in plants. In ...

DURING the course of a comparative study of several members of the Leguminosæ, I found an interesting type of endosperm formation in Cassia tora Linn. (family Cæsalpiniaceæ), a common roadside plant ...

This is a preview. Log in through your library . Abstract Field populations of Potentilla crantzii in the British Isles are often remarkably uniform morphologically within themselves. Purely ...