A plant that grows best with warm temperatures (30 – 35° C). A 4 carbon acid is the first product leading to carbohydrate production during photosynthesis. C4 photosynthesis is more efficient than C3 photosynthesis (cool-season), but requires warmer temperatures. Corn is a warm-season crop.
Saturated with water, greater than its water-holding capacity.
A faint leaf mark, showing as a different color from the rest of the leaf, often V or crescent-shaped. Many of the common clovers, such as red and white clover, have a watermark on their leaves. It is useful in plant