Petrorhagia

Plant Characteristics
Origin:	✈	?

Cultivation

Exposure:	☼	?"?" is not in the list (sun, part-sun, shade, unknown) of allowed values for the "Exposure" property.
Water:	◍	?"?" is not in the list (wet, moist, moderate, dry, less when dormant) of allowed values for the "Water" property.

Scientific Names

Read about Petrorhagia in the Standard Cyclopedia of Horticulture
Tunica (Latin, a tunic or coal, from the imbricated involucre). Caryophyllaceae. Annual or perennial hardy herbs, usually slender but stiff garden plants, with the habit of Gypsophila but botanically more nearly allied to Dianthus; sometimes grown in flower-gardens. Leaves narrow: fls. as in Dianthus, but smaller, gathered in cymose panicles or heads; calyx turbinate or elongate-tubular, obtusely 5-toothed, 5-15-nerved; petals 5, claw elongate, blade retuse or emarginately 2-cleft; stamens 10; ovary 1-celled: caps. ovoid or oblong, dehiscent by 4 valves.—About 20 species, S. Eu. and E. Asia. Prop. by seeds or division. ^CH The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.

Cultivation

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