P. commutatum Fisch. & Mey., Ind. Sem. Hort. Petrop., 4: 41 (1837). Ic: Bot. Mag., 155: t. 9292 (1932). Figure 8, p. 223.
Differs from P. lacerum in its laxer habit, stems softly grey-villous below, petals scarlet to crimson, with a quadrangular black blotch at or about the middle. Fl. 5-6. Gravelly and eroded slopes, hillsides, etc., 1000-1800 m.
Type: Caucasus, Iberia, Wilhelms (LE; photo. K!).
Scattered. A4 Zonguldak: Kel Tepe above Sorgun Y., 1700 m, D. 37850! A5 Amasya: Amasya, Bornm. 144! A7 Gümüşane: Gümüşane, 1300 m, Stn. & Hend. 8335! B4 Ankara: Ankara, Bornm. 3137. B6 Malatya: below Erhenek, between Doğanşehir & Pazarcik, 1000 m, D. 27737! B7 Elaziğ: W of Harput, 1400 m, D. 29178! C9 or 10 Hakkari: Berduk, Cowie 88!
Crete, Caucasia, N. Iran.