Answer:

1. common sight in Philippine grasslands, the makahiya plant (Mimosa pudica) is famous for its tendency to curl up its leaves at the slightest touch, as if it were extremely embarrassed about physical contact, hence its name: makahiya is derived from the Filipino word for shame or shyness (hiya).

2. Bougainvillea flowers are trumpet-shaped, white or yellow-white, waxy and less than 1 inch long. They typically develop in a triangularly arranged group of three flowers on a single short stem. Two of these three flowers usually open at the same time, with the third opening slightly later.

3. Cactus roots are less overtly specialized in structure than are cactus shoots. Even so, root structural properties are fundamental to thex ability of cacti to take up water and nutrients quickly, and to endure and recover from drought. An understanding of the relationship between root structure and function is essential to understanding how cacti are able to occupy some of the driest, most nutrient-poor habitats on earth.

4. Pineapples are sold fresh and canned. Most exports are canned. A broad cylinder of flesh is cut from the center of the fruit. It is cored and cut or sliced before it is pasteurized and canned in sweetened pineapple juice. Fleshy remnants are crushed or made into juice. In Taiwan and the Philippines, the strong leaf fibers of some varieties are made into cordage and cloth.