Plant physiology is an examination of plant function ranging in complexity from individual cells up to the whole plant. As relatively immobile organisms, plants must adapt to the prevailing ...
A weed is technically just a plant in the wrong place. It could be an unwanted seedling from another plant, or something more pernicious and invasive that you really want to eradicate. However ...
though the spiny fruits are often left with spines sticking upwards even though the plant has died. It doesn't always grow as a winter annual though, as it can also establish in spring under some ...