Book  (2005)  Page(s) Vol. I, p. 553.  Includes photo(s).
 
Paeoniaceae (Şakayıkgiller), Paeonia mascula ssp. mascula (Erkil şakayık; Ayıgülü), Peony. 5 petals. South-central and south eastern Turkey. Shrubs, maquis, rocky areas. 1000-2200 m. April-June. Perennial herb.

Book  (Jan 1999)  Page(s) 34, 35, 37.  Includes photo(s).
 
Page 34: Paeonia mascula subsp. mascula Colonies of the plant are sometimes found where there were once monastery gardens, so it may have been introduced for medicinal use... 'mascula' refers to heraldic Latin, where the word means 'like a mask' or 'lozenge-shaped'... rose-red flowers
Page 35: [Photo]
Page 37: It has been found in Italy in former monastery gardens

Book  (1820)  Page(s) 68.  
 
P. integra.