A netlike pattern of veins in a leaf.

 Piling soil around plants for support of the roots, to protect from extreme cold and blanch vegetables.

 The outermost dead layers of bark, from the surface of the innermost cork cambium.

 A flower having sepals, petals, stamens, and carpels.

 A weak solution of fertilizer that is used to promote root growth, and to help prevent transplant shock.

 Petal or sepal, where there is no distinct difference between the two.

 A seed that is capable of germinating under the right conditions.

 The process of purposefully altering the gene pool of a species by selective breeding.

 The hair-like roots through which plants get water and nutrients.

 A root sytem composed of many fine roots and typically a few lateral roots.