Leaf, color petaloid

Leaf Color.—Petaloid, when of some brilliant color different from the usual green, as the Coleus and Begonia, and other plants which are prized for the beauty of their foliage rather than their blossoms. 

The Calyx.—The Calyx is the outer whorl of modified leaves. Its parts are called Sepals, and may be distinct (Chorisepalous, from a Greek word meaning disjoined) or more or less united (Gamosep-alous). They are usually green— foliaceous or leaf-like—but may be brilliantly colored, hence the term petaloid (like the petals) is applied. Examples Tulip, Larkspur, Columbine and Aconite. 

PETAL. One unit of the inner floral envelope or corolla of a polypetalous flower, usually colored and more or less showy PETALOiD. Petal-like in color and shape resembling a petal PETIOLE. Leaf stalk... 

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