Rhombuses
| Rhombuses | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Rue ( Ruta graveolens ) |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Ruta | ||||||||||||
| L. |
The lozenges ( Ruta ; for etymology see rue ) are a genus of plants within the lozenge family (Rutaceae). The eight or so species are distributed from the Mediterranean region to western Asia.
description
Vegetative characteristics
The lozenge species are evergreen shrubs or half-shrubs . They are rich in essential oils and therefore smell intense and strong.
The alternate leaves are arranged one to three pinnate. The leaflets are oblong obovate and have translucent points.
Generative characteristics
The flowers are in terminal clusters or paniculate inflorescences . The flowers have a double flower envelope , the terminal flowers are five-fold, the lateral four-fold. The sepals are fused at their base. The yellowish petals are entire, toothed or ciliate. Eight or ten stamens are formed. The discus is large and deep, four or five lobes. The four or five carpels form an upper ovary .
The four- to five-horned capsule fruits are spherical or flattened-spherical with a diameter of 6 to 8 millimeters and contain several seeds. The black seeds are 2 to 2.5 millimeters long.
Systematics and distribution
The genus Ruta was established in 1753 by Carl von Linné in Species Plantarum , 1, p. 383. The genus Ruta belongs to the subfamily Rutoideae within the family of the Rutaceae (Rutaceae).
The distribution area extends from the Canary Islands across the Mediterranean to western Asia .
The following species belong to the genus Ruta :
- Ruta angustifolia Pers. : It occurs in the Mediterranean area eastwards to northwestern Yugoslavia .
- Fringed diamond ( Ruta chalepensis L. )
- Ruta corsica DC. : It occurs in Sardinia and Corsica .
- Wine rue or fragrant rue ( Ruta graveolens L. ) with the subspecies Ruta divaricata and Ruta hortensis
- Ruta montana (L.) L .: It occurs in the Mediterranean area.
- Ruta microcarpa Svent. : It isnativeto La Gomera .
- Ruta oreojasme Webb : This endemic occurs only in Gran Canaria .
- Ruta pinnata L.f. : It only occurs on La Palma and Tenerife .
use
For the use of the rhombus, for example its essential oils , see rue .
literature
- Andreas Roloff, Andreas Bärtels: Flora of the woods. Purpose, properties and use . 3rd, corrected edition. Eugen Ulmer, Stuttgart (Hohenheim) 2008, ISBN 978-3-8001-5614-6 , pp. 570 .
- Christina Becela-Deller: Ruta graveolens L. A medicinal plant in terms of art and cultural history. (Mathematical and natural scientific dissertation Würzburg 1994) Königshausen & Neumann, Würzburg 1998 (= Würzburg medical historical research. Volume 65). ISBN 3-8260-1667-X .
Web links
Individual evidence
- ^ Otto Wilhelm Thomé: Flora of Germany, Austria and Switzerland . Gera 1885.
- ↑ a b c d e Andreas Roloff, Andreas Bärtels: Flora of the woods. Purpose, properties and use . 3rd, corrected edition. Eugen Ulmer, Stuttgart (Hohenheim) 2008, ISBN 978-3-8001-5614-6 , pp. 570 .
- ^ A b c Ruta in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved October 23, 2011.
- ↑ a b Ingrid Schönfelder, Peter Schönfelder : The new cosmos Mediterranean flora . 1st edition. Franckh, Stuttgart 2008, ISBN 978-3-440-10742-3 , pp. 316 .
- ↑ Christina Becela-Deller: Ruta graveolens L. A medicinal plant in terms of art and cultural history. 1998, p. 18.
- ^ Ruta montana at Plants For A Future . Retrieved October 23, 2011.
- ↑ a b c M. Arechavaleta, S. Rodríguez, N. Zurita, A. García (eds.): Lista de especies silvestres de Canarias. Hongos, plantas y animales terrestres. 2009. Gobierno de Canarias 2010, ISBN 978-84-89729-21-6 , 579 pages (PDF file, 12.5 MB). ( Memento of the original from November 15, 2011 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.
- ↑ Karl-Heinz Kubeczka: The essential oils of different types of Ruta. In: Herba hung. Volume 10, No. 2-3, 1971, pp. 109-118.
