A study found that redwood trees have two different leaves that serve different functions. The peripheral leaf, left, focuses on photosynthesis while the axial leaf is devoted to absorbing water.

Wherever trees grow, sooner or later their leaves get wet. For trees in wet environments, this can be a problem if films of water cover their stomata. These tiny pores allow carbon dioxide to enter ...

Best known for their unique forms and enchanting colors, orchids are beloved by novice and seasoned growers alike. Though select species have earned their reputation as exceedingly difficult to grow, ...

Lettuce (Lactuca sativa) is a popular leafy vegetable in the daisy family. It ranges in color from yellow to dark green but may also have reddish hues. While it’s grown worldwide, China produces the ...