Petrorhagia

• Authority

  Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

• Family

  Caryophyllaceae

• Scientific Name

  Petrorhagia

• Description

  Genus Description - Fls individually terminating the branches, or often clustered into head-like, conspicuously involucrate cymes terminating the branches; cal often (including our spp.) subtended by 1–3 pairs of bracts; cal-tube 5-nerved, generally with membranous, veinless commissures beneath the sinuses (unlike Dianthus); pet without auricles or appendages; stamens 10; styles 2; capsule dehiscent by 4 teeth; seeds as in Dianthus. 25, mainly Mediterranean.