colewort

“Collards is a corruption of colewort — colewort is any non-heading cabbage,” said Dr. Harris, the author of “High on the Hog: A Culinary Journey From Africa to America.”

From New York Times ● Dec. 24, 2021

The huile de colza, extracted from the colewort, is still very largely used, and is an excellent oil for lamps; and acetylene is beginning to take the place of coal-gas as an illuminator.

From Paris From the Earliest Period to the Present Day; Volume 2 by William Walton

In these beds, along with the tobacco, they generally sow kale, colewort, and cabbage seed, &c., at the same time.

From The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. by P. L. Simmonds

"I could be sorry for these men," he said, "ay, and for that poor Queen, but what avail earthly sorrows to a man of fourscore?—and it is a rare dropping morning for the early colewort."

From The Abbot by Sir Walter Scott

For winter salad, take some tender plants of colewort, sorrel, lettuce, endive, celery, parsley, and sliced onions; and season them as before.

From The Cook and Housekeeper's Complete and Universal Dictionary; Including a System of Modern Cookery, in all Its Various Branches, Adapted to the Use of Private Families by Mary Eaton