Rock carnations

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Rock carnations
Sprouting rock carnation (Petrorhagia prolifera)

Sprouting rock carnation ( Petrorhagia prolifera )

Systematics
Class : Bedecktsamer (Magnoliopsida)
Eudicotyledons
Nuclear eudicotyledons
Order : Clove-like (Caryophyllales)
Family : Carnation family (Caryophyllaceae)
Genre : Rock carnations
Scientific name
Petrorhagia
( Ser. Ex DC. ) Link

The rock carnations ( Petrorhagia ) are a genus of plants within the carnation family (Caryophyllaceae). The 29 to 30 species are distributed from Europe and North Africa across West to Central Asia. The rock carnations resemble the closely related genus gypsum herbs ( Gypsophila ).

description

Flowers from the side in detail of Petrorhagia obcordata
Illustration from Flora Batava , Volume 4 of Sprouting Rock Carnation ( Petrorhagia prolifera )
Ripe capsule fruits and seeds of the saxifrage rock carnation ( Petrorhagia saxifraga )

Vegetative characteristics

In Petrorhagia TYPES comes to annual or perennial herbaceous plants .

Generative characteristics

The flowers stand together in inflorescences in the form of panicles or in head-like shortened dichasias and are surrounded by outer calyx scales or bracts. The hermaphroditic flowers are radial symmetry and five-fold with a double flower envelope. As members of the subfamily of the Caryophylloideae , their sepals are fused. The five petals are reddish or white. Each flower contains ten free stamens and two styles.

The capsule fruits open with four teeth.

Systematics and distribution

The name was first published in 1824 as the section Gypsophila sect. Petrorhagia Ser. by Nicolas Charles Seringe in Augustin-Pyrame de Candolle : Prodromus Systematis Naturalis Regni Vegetabilis , 1, page 354; thus within the genus Gypsophila . The rank of a genus Petrorhagia (Ser. Ex DC.) Link was published in 1831 by Heinrich Friedrich Link in Handbook for the Recognition of the Most Usable and Most Frequently Occurring Plants , 2, page 235. Other synonyms for Petrorhagia (Ser. Ex DC.) Link are: Tunica Mert. & WDJKoch , Kohlrauschia Kunth .

The main distribution area of the species found in the Mediterranean . There are two types in Germany.

Sprouting rock carnation ( Petrorhagia prolifera )
Saxifrage rock carnation ( Petrorhagia saxifraga )

There are 29 to 30 types of rock carnations ( Petrorhagia ):

use

Some species are used as ornamental plants . They are suitable for roof or rock gardens, on dry, gravel and gravel locations.

swell

Individual evidence

  1. ^ Petrorhagia at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed September 5, 2017.
  2. a b c d e f g h i j k l m n o p q r s t u v w x y z Karol Marhold: Caryophyllaceae. In: Euro + Med Plantbase - the information resource for Euro-Mediterranean plant diversity , Berlin 2011 , last accessed on September 5, 2017.
  3. Panayiotis Dimopoulos, Thomas Raus, Erwin Bergmeier, Theophanis Constantinidis, Gregoris Iatrou, Stella Kokkini, Arne Strid, Dimitrios Tzanoudakis: Vascular Plants of Greece: An Annotated Checklist. (= Englera. 31). Botanical Garden and Botanical Museum Berlin-Dahlem / Hellenic Botanical Society, Berlin / Athens 2013, ISBN 978-3-921800-88-1 , p. 81.
  4. ^ A b Petrorhagia in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved September 5, 2017.
  5. Robert Zander : Zander hand dictionary of plant names. Edited by Fritz Encke , Günther Buchheim, Siegmund Seybold . 15th edition, corrected reprint of the 14th edition. Eugen Ulmer, Stuttgart 1994, ISBN 3-8001-5072-7 .

Web links

Commons : Rock Carnations ( Petrorhagia )  - Collection of images, videos and audio files