Petrorhagia
Meikle, R.D. 1977: Flora of Cyprus 1 but modified and accepted names differing
1 | Inflorescence enveloped by broad membranous or scarious, ecostate bracts |
1' | Inflorescence not enveloped by membranous or scarious bracts, or bracts costate |
2 | Calyx 15-nerved; calyx-teeth cuspidate; petals entire |
2' | Calyx 5-nerved; calyx- teeth subacute; petals bifid |