... deep-green, slightly toothed, varying in a remarkable degree in their size and form,—some being spear-shaped, others oval, and some nearly heart-shaped; leaf-stems long and slender; flowers nearly sessile, small, yellow, five-petaled; seeds angular, pointed, and of a greenish color,—fourteen thousand are contained in an ounce, and they ... — The Field and Garden Vegetables of America • Fearing Burr
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