The orchid family is one of the largest flowering plant categories of all time, but you really need to know the difference ...

Call them plant motors. Or plant muscles. Tiny bulges of specialized cells in a mimosa plant can fold its feathery leaflets together in seconds, then relax — and do it again. A new look at these ...

Plant leaf senescence is a highly regulated, genetically encoded process that marks the final stage of leaf development. This complex phenomenon involves a coordinated dismantling of the ...