G. communis: stem 1 1/2-2 feet high; leaves linear-lanceolate; flowers red, all turned to one side, sessile, the perianth about 1 1/2 inches long, the expanded part of the segments oblong-lanceolate, the uppermost broader and rather longer than the others. - New Forest and Isle of Wight. Fl. June. The English plant is sometimes considered to be G. illyricus.