Sentence examples for petiole from high-quality English sources.

• Most have a sheath, petiole or leafstalk, and blade.

• The petiole is a stalk that connects the blade with the leaf base.

• Stipules, a pair of appendages subtending the leaf petiole, are usually present.

• As a result, a zone of cells across the petiole becomes softened until the leaf falls.

• When only a single blade is inserted directly on the petiole, the leaf is called simple.

• In ocotillo (Fouquieria splendens), the blade falls off and the petiole remains as a spine.

• Leaves are sometimes armed with spines or marginal teeth on sheath, petiole, or blade, or on all parts.

• In ocotillo (Fouquieria splendens; Fouquieriaceae), the blade falls off and the petiole remains as a spine.

Use petiole in a sentence.

• Similar to other members of Apocrita, wasps have a narrow petiole, or “waist,” which attaches the abdomen to the thorax.

• Veins, which support the lamina and transport materials to and from the leaf tissues, radiate through the lamina from the petiole.

• Many palmate and costapalmate leaves have a prominent, often spear-shaped, ridge of tissue at the apex of the petiole known as the hastula.

• The petiole, when present, and the leaf base become thickened, and often the latter expands laterally and fully or partially encloses the stem.

• Their stems are stout; the venation of the leaves is palmate; and there are tiny glands at the base of the petiole or on the blade; the stipules too are glandular.

• A petiole attaches the leaf to the stem and contains vascular tissue that provides a connection from the stem to permit sap to enter the leaf and the products of photosynthesis (carbohydrates) to be transported from the leaf to the rest of the plant.

• The edible portion may be a root, such as rutabaga, beet, carrot, and sweet potato; a tuber or storage stem, such as potato and taro; the stem, as in asparagus and kohlrabi; a bud, such as brussels sprouts; a bulb, such as onion and garlic; a petiole or leafstalk, such as celery and rhubarb; a leaf, such as cabbage, lettuce, parsley, spinach, and chive; an immature flower, such as cauliflower, broccoli, and artichoke; a seed, such as pea and lima bean; the immature fruit, such as eggplant, cucumber, and sweet corn (maize); or the mature fruit, such as tomato and pepper.