Purple Ragwort – SENECIO (Jacobaea) – Purple Groundsel (Latin from senex, old man, refers to gray pappus of seeds) In English gardens one finds a lovely dwarf annual listed as a Jacobaea, Senecio elegans, which grows less than 18 inches tall and is completely covered with double purple, crimson or white flowers, not unlike a double Cineraria of the greenhouse. […]