Coral diamonds

Coral diamonds
	Boronia fraseri
Systematics
	Nuclear eudicotyledons
	Rosids
	Eurosiden II
Order :	Sapindales (Sapindales)
Family :	Rhombus family (Rutaceae)
Genre :	Coral diamonds
Scientific name
	Boronia
	Sm.

The coral diamonds ( Boronia ) are a genus of plants from the diamond family (Rutaceae) and are almost exclusively native to Australia. The genus is named after the Italian plant collector Francesco Borone (1769–1794).

features

The species are shrubs or perennial herbaceous plants that are evergreen or deciduous. They contain essential oils . The nodes are uni- or trilacunar. The plants are mesophytes or xerophytes . The leaves are opposite or alternate, stalked, covered with glands and aromatic. The leaf shape is simple or feathery split or divided.

The flowers are solitary or in inflorescences . The flowers are four-fold and mostly radial symmetry , more rarely the crown and stamens are slightly asymmetrical. The calyx and crown are fourfold and free, as are the eight stamens in two whorls. In some species, four of the stamens are transformed into sterile staminodes . The gynoeceum consists of four fused carpels and stands on a gynophor (the intrastaminal disc). The ovary is four- compartment and has one to five (50) ovules per compartment. The fragrant flowers are pollinated by insects.

The fruits are varied: fleshy or dry, split fruits , berries or stone fruits .

distribution

The Boronia species are native to Australia with the exception of the species belonging to the genus Boronella Baill. were asked. These are endemic to New Caledonia . All species are concentrated in heathland areas.

use

Boronia serrulata , illustration

Some species are cultivated as ornamental plants or for the perfume industry because of their fragrant flowers , such as Boronia alata and the fragrant coral rue , Boronia megastiama . The Aboriginal people use the aromatic leaves of some species to treat pain.

Systematics

The genus was first described by James Edward Smith in 1798 (Tracts Relating to Natural History: 288, t. 4, 5, 6, 7). There are 100 to 140 species known.

Sources and further information

HR Coleman: Boronia . FloraBase - Flora of Western Australia
Lutz Fehling: Australia. Nature travel guide . Hupe-Verlag, Munich 2003. ISBN 3-932084-25-X

Individual evidence

Jump up ↑ Walter Erhardt, Erich Götz, Allen J. Coombes, Nils Bödeker, Siegmund Seybold: The Timber Press Dictionary of Plant Names. Timber Press, 2010, ISBN 978-1-60469-115-3 , p. 158.
↑ ^a ^b Helmut Genaust: Etymological dictionary of botanical plant names. 3rd, completely revised and expanded edition. Birkhäuser, Basel / Boston / Berlin 1996, ISBN 3-7643-2390-6 , p. 104.

Web links

Commons : Coral diamonds ( Boronia ) - Collection of images, videos and audio files

[Timber-1] Jump up ↑ Walter Erhardt, Erich Götz, Allen J. Coombes, Nils Bödeker, Siegmund Seybold: The Timber Press Dictionary of Plant Names. Timber Press, 2010, ISBN 978-1-60469-115-3 , p. 158.

[Genaust-2] Helmut Genaust: Etymological dictionary of botanical plant names. 3rd, completely revised and expanded edition. Birkhäuser, Basel / Boston / Berlin 1996, ISBN 3-7643-2390-6 , p. 104.